diff --git a/.github/actions/build-dist/action.yml b/.github/actions/build-dist/action.yml
index 7b765582b..76f32dd45 100644
--- a/.github/actions/build-dist/action.yml
+++ b/.github/actions/build-dist/action.yml
@@ -9,7 +9,7 @@ runs:
     - name: Install dependencies
       shell: bash
       run: |
-        python -m pip install --upgrade jupyter_packaging~=0.10 "jupyterlab>=4.0.0a29,<5" build
+        python -m pip install --upgrade jupyter_packaging~=0.10 "jupyterlab>=4.0.0a30,<5" build
 
     - name: Build pypi distributions
       shell: bash
diff --git a/.github/workflows/buildutils.yml b/.github/workflows/buildutils.yml
index a585bff2e..5bccc8e6f 100644
--- a/.github/workflows/buildutils.yml
+++ b/.github/workflows/buildutils.yml
@@ -26,7 +26,7 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install -U "jupyterlab>=4.0.0a29,<5" hatch
+        python -m pip install -U "jupyterlab>=4.0.0a30,<5" hatch
         jlpm
         jlpm run build
 
@@ -76,6 +76,6 @@ jobs:
 
     - name: Install dependencies
       run: |
-        python -m pip install -U "jupyterlab>=4.0.0a29,<5" pip
+        python -m pip install -U "jupyterlab>=4.0.0a30,<5" pip
         jlpm
         jlpm run build
diff --git a/app/package.json b/app/package.json
index 75f23604c..164a4904d 100644
--- a/app/package.json
+++ b/app/package.json
@@ -112,46 +112,46 @@
     "@jupyter-notebook/tree": "^7.0.0-alpha.6",
     "@jupyter-notebook/tree-extension": "^7.0.0-alpha.6",
     "@jupyter-notebook/ui-components": "^7.0.0-alpha.6",
-    "@jupyterlab/application-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/apputils-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/cell-toolbar-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/celltags": "^4.0.0-alpha.14",
-    "@jupyterlab/celltags-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/codemirror-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/collaboration-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/completer-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/console-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/debugger-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/docmanager-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/docprovider-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/documentsearch-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/filebrowser-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/fileeditor-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/hub-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/javascript-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/json-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/lsp": "^4.0.0-alpha.14",
-    "@jupyterlab/lsp-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/mainmenu-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/markedparser-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/mathjax2-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/notebook-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/pdf-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/rendermime-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/running-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/shortcuts-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/terminal-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/theme-dark-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/theme-light-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/toc-extension": "^6.0.0-alpha.14",
-    "@jupyterlab/tooltip-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/translation-extension": "^4.0.0-alpha.14",
-    "@jupyterlab/vega5-extension": "^4.0.0-alpha.14"
+    "@jupyterlab/application-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/apputils-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/cell-toolbar-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/celltags": "^4.0.0-alpha.15",
+    "@jupyterlab/celltags-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/codemirror-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/collaboration-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/completer-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/console-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/debugger-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/docmanager-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/docprovider-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/documentsearch-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/filebrowser-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/fileeditor-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/hub-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/javascript-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/json-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/lsp": "^4.0.0-alpha.15",
+    "@jupyterlab/lsp-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/mainmenu-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/markedparser-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/mathjax2-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/notebook-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/pdf-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/rendermime-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/running-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/shortcuts-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/terminal-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/theme-dark-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/theme-light-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/toc-extension": "^6.0.0-alpha.15",
+    "@jupyterlab/tooltip-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/translation-extension": "^4.0.0-alpha.15",
+    "@jupyterlab/vega5-extension": "^4.0.0-alpha.15"
   },
   "devDependencies": {
-    "@jupyterlab/builder": "^4.0.0-alpha.14",
-    "@jupyterlab/buildutils": "^4.0.0-alpha.14",
+    "@jupyterlab/builder": "^4.0.0-alpha.15",
+    "@jupyterlab/buildutils": "^4.0.0-alpha.15",
     "@types/rimraf": "^3.0.2",
     "css-loader": "~5.0.1",
     "fs-extra": "^8.1.0",
diff --git a/buildutils/package.json b/buildutils/package.json
index 720b4f8da..f8f3a1b30 100644
--- a/buildutils/package.json
+++ b/buildutils/package.json
@@ -30,7 +30,7 @@
     "watch": "tsc -w --listEmittedFiles"
   },
   "dependencies": {
-    "@jupyterlab/buildutils": "^4.0.0-alpha.14",
+    "@jupyterlab/buildutils": "^4.0.0-alpha.15",
     "commander": "^6.2.0",
     "fs-extra": "^9.1.0",
     "typescript": "~4.7.3"
diff --git a/package.json b/package.json
index f458dd6dd..b16bd4cf5 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
     "watch:lib": "lerna exec --stream --scope @jupyter-notebook/metapackage jlpm watch"
   },
   "devDependencies": {
-    "@jupyterlab/buildutils": "^4.0.0-alpha.14",
+    "@jupyterlab/buildutils": "^4.0.0-alpha.15",
     "@typescript-eslint/eslint-plugin": "^4.2.0",
     "@typescript-eslint/parser": "^4.2.0",
     "eslint": "^7.10.0",
diff --git a/packages/application-extension/package.json b/packages/application-extension/package.json
index 1aae687f0..6dd6efe02 100644
--- a/packages/application-extension/package.json
+++ b/packages/application-extension/package.json
@@ -41,18 +41,18 @@
   "dependencies": {
     "@jupyter-notebook/application": "^7.0.0-alpha.6",
     "@jupyter-notebook/ui-components": "^7.0.0-alpha.6",
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/apputils": "^4.0.0-alpha.14",
-    "@jupyterlab/celltags": "^4.0.0-alpha.14",
-    "@jupyterlab/codeeditor": "^4.0.0-alpha.14",
-    "@jupyterlab/codemirror": "^4.0.0-alpha.14",
-    "@jupyterlab/console": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/docmanager": "^4.0.0-alpha.14",
-    "@jupyterlab/docregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/mainmenu": "^4.0.0-alpha.14",
-    "@jupyterlab/settingregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/translation": "^4.0.0-alpha.14",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/apputils": "^4.0.0-alpha.15",
+    "@jupyterlab/celltags": "^4.0.0-alpha.15",
+    "@jupyterlab/codeeditor": "^4.0.0-alpha.15",
+    "@jupyterlab/codemirror": "^4.0.0-alpha.15",
+    "@jupyterlab/console": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/docmanager": "^4.0.0-alpha.15",
+    "@jupyterlab/docregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/mainmenu": "^4.0.0-alpha.15",
+    "@jupyterlab/settingregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/translation": "^4.0.0-alpha.15",
     "@lumino/coreutils": "^2.0.0-alpha.6",
     "@lumino/disposable": "^2.0.0-alpha.6",
     "@lumino/widgets": "^2.0.0-alpha.6"
diff --git a/packages/application/package.json b/packages/application/package.json
index 4ec6719ca..6b256c3f6 100644
--- a/packages/application/package.json
+++ b/packages/application/package.json
@@ -43,11 +43,11 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/docregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/rendermime-interfaces": "^3.8.0-alpha.14",
-    "@jupyterlab/ui-components": "^4.0.0-alpha.29",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/docregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/rendermime-interfaces": "^3.8.0-alpha.15",
+    "@jupyterlab/ui-components": "^4.0.0-alpha.30",
     "@lumino/algorithm": "^2.0.0-alpha.6",
     "@lumino/coreutils": "^2.0.0-alpha.6",
     "@lumino/messaging": "^2.0.0-alpha.6",
@@ -58,7 +58,7 @@
   "devDependencies": {
     "@babel/core": "^7.11.6",
     "@babel/preset-env": "^7.12.1",
-    "@jupyterlab/testutils": "^4.0.0-alpha.14",
+    "@jupyterlab/testutils": "^4.0.0-alpha.15",
     "@types/jest": "^26.0.10",
     "jest": "^26.4.2",
     "rimraf": "^3.0.2",
diff --git a/packages/console-extension/package.json b/packages/console-extension/package.json
index dafd01884..7ee0317bd 100644
--- a/packages/console-extension/package.json
+++ b/packages/console-extension/package.json
@@ -39,9 +39,9 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/console": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/console": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
     "@lumino/algorithm": "^2.0.0-alpha.6"
   },
   "devDependencies": {
diff --git a/packages/docmanager-extension/package.json b/packages/docmanager-extension/package.json
index 64536f405..9a0e280f4 100644
--- a/packages/docmanager-extension/package.json
+++ b/packages/docmanager-extension/package.json
@@ -39,11 +39,11 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/docmanager": "^4.0.0-alpha.14",
-    "@jupyterlab/docregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/services": "^7.0.0-alpha.14",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/docmanager": "^4.0.0-alpha.15",
+    "@jupyterlab/docregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/services": "^7.0.0-alpha.15",
     "@lumino/algorithm": "^2.0.0-alpha.6"
   },
   "devDependencies": {
diff --git a/packages/documentsearch-extension/package.json b/packages/documentsearch-extension/package.json
index 3e1326466..2590e9c5f 100644
--- a/packages/documentsearch-extension/package.json
+++ b/packages/documentsearch-extension/package.json
@@ -40,8 +40,8 @@
   },
   "dependencies": {
     "@jupyter-notebook/application": "^7.0.0-alpha.6",
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/documentsearch": "^4.0.0-alpha.14",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/documentsearch": "^4.0.0-alpha.15",
     "@lumino/widgets": "^2.0.0-alpha.6"
   },
   "devDependencies": {
diff --git a/packages/help-extension/package.json b/packages/help-extension/package.json
index 4528c2d33..568fcd132 100644
--- a/packages/help-extension/package.json
+++ b/packages/help-extension/package.json
@@ -40,10 +40,10 @@
   },
   "dependencies": {
     "@jupyter-notebook/ui-components": "^7.0.0-alpha.6",
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/apputils": "^4.0.0-alpha.14",
-    "@jupyterlab/mainmenu": "^4.0.0-alpha.14",
-    "@jupyterlab/translation": "^4.0.0-alpha.14"
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/apputils": "^4.0.0-alpha.15",
+    "@jupyterlab/mainmenu": "^4.0.0-alpha.15",
+    "@jupyterlab/translation": "^4.0.0-alpha.15"
   },
   "devDependencies": {
     "rimraf": "^3.0.2",
diff --git a/packages/lab-extension/package.json b/packages/lab-extension/package.json
index 3df38bbdf..b1293bb0e 100644
--- a/packages/lab-extension/package.json
+++ b/packages/lab-extension/package.json
@@ -44,17 +44,17 @@
   },
   "dependencies": {
     "@jupyter-notebook/application": "^7.0.0-alpha.6",
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/apputils": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/docregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/notebook": "^4.0.0-alpha.14",
-    "@jupyterlab/translation": "^4.0.0-alpha.14",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/apputils": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/docregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/notebook": "^4.0.0-alpha.15",
+    "@jupyterlab/translation": "^4.0.0-alpha.15",
     "@lumino/commands": "^2.0.0-alpha.6",
     "@lumino/disposable": "^2.0.0-alpha.6"
   },
   "devDependencies": {
-    "@jupyterlab/builder": "^4.0.0-alpha.14",
+    "@jupyterlab/builder": "^4.0.0-alpha.15",
     "rimraf": "^3.0.2",
     "typescript": "~4.7.3"
   },
diff --git a/packages/notebook-extension/package.json b/packages/notebook-extension/package.json
index 87986d5b8..5f4c965c1 100644
--- a/packages/notebook-extension/package.json
+++ b/packages/notebook-extension/package.json
@@ -40,13 +40,13 @@
   },
   "dependencies": {
     "@jupyter-notebook/application": "^7.0.0-alpha.6",
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/apputils": "^4.0.0-alpha.14",
-    "@jupyterlab/cells": "^4.0.0-alpha.14",
-    "@jupyterlab/docmanager": "^4.0.0-alpha.14",
-    "@jupyterlab/notebook": "^4.0.0-alpha.14",
-    "@jupyterlab/settingregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/translation": "^4.0.0-alpha.14",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/apputils": "^4.0.0-alpha.15",
+    "@jupyterlab/cells": "^4.0.0-alpha.15",
+    "@jupyterlab/docmanager": "^4.0.0-alpha.15",
+    "@jupyterlab/notebook": "^4.0.0-alpha.15",
+    "@jupyterlab/settingregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/translation": "^4.0.0-alpha.15",
     "@lumino/polling": "^2.0.0-alpha.6",
     "@lumino/widgets": "^2.0.0-alpha.6"
   },
diff --git a/packages/terminal-extension/package.json b/packages/terminal-extension/package.json
index 755cde174..8f34d6dc7 100644
--- a/packages/terminal-extension/package.json
+++ b/packages/terminal-extension/package.json
@@ -39,9 +39,9 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/terminal": "^4.0.0-alpha.14",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/terminal": "^4.0.0-alpha.15",
     "@lumino/algorithm": "^2.0.0-alpha.6"
   },
   "devDependencies": {
diff --git a/packages/tree-extension/package.json b/packages/tree-extension/package.json
index 823475e52..0a4dc0418 100644
--- a/packages/tree-extension/package.json
+++ b/packages/tree-extension/package.json
@@ -41,17 +41,17 @@
   "dependencies": {
     "@jupyter-notebook/application": "^7.0.0-alpha.6",
     "@jupyter-notebook/tree": "^7.0.0-alpha.6",
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/apputils": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/docmanager": "^4.0.0-alpha.14",
-    "@jupyterlab/filebrowser": "^4.0.0-alpha.14",
-    "@jupyterlab/mainmenu": "^4.0.0-alpha.14",
-    "@jupyterlab/services": "^7.0.0-alpha.14",
-    "@jupyterlab/settingregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/statedb": "^4.0.0-alpha.14",
-    "@jupyterlab/translation": "^4.0.0-alpha.14",
-    "@jupyterlab/ui-components": "^4.0.0-alpha.29",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/apputils": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/docmanager": "^4.0.0-alpha.15",
+    "@jupyterlab/filebrowser": "^4.0.0-alpha.15",
+    "@jupyterlab/mainmenu": "^4.0.0-alpha.15",
+    "@jupyterlab/services": "^7.0.0-alpha.15",
+    "@jupyterlab/settingregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/statedb": "^4.0.0-alpha.15",
+    "@jupyterlab/translation": "^4.0.0-alpha.15",
+    "@jupyterlab/ui-components": "^4.0.0-alpha.30",
     "@lumino/algorithm": "^2.0.0-alpha.6",
     "@lumino/commands": "^2.0.0-alpha.6",
     "@lumino/widgets": "^2.0.0-alpha.6"
diff --git a/packages/tree/package.json b/packages/tree/package.json
index 0ab3aced2..ee1654cad 100644
--- a/packages/tree/package.json
+++ b/packages/tree/package.json
@@ -40,17 +40,17 @@
   },
   "dependencies": {
     "@jupyter-notebook/application": "^7.0.0-alpha.6",
-    "@jupyterlab/application": "^4.0.0-alpha.14",
-    "@jupyterlab/apputils": "^4.0.0-alpha.14",
-    "@jupyterlab/coreutils": "^6.0.0-alpha.14",
-    "@jupyterlab/docmanager": "^4.0.0-alpha.14",
-    "@jupyterlab/filebrowser": "^4.0.0-alpha.14",
-    "@jupyterlab/mainmenu": "^4.0.0-alpha.14",
-    "@jupyterlab/services": "^7.0.0-alpha.14",
-    "@jupyterlab/settingregistry": "^4.0.0-alpha.14",
-    "@jupyterlab/statedb": "^4.0.0-alpha.14",
-    "@jupyterlab/translation": "^4.0.0-alpha.14",
-    "@jupyterlab/ui-components": "^4.0.0-alpha.29",
+    "@jupyterlab/application": "^4.0.0-alpha.15",
+    "@jupyterlab/apputils": "^4.0.0-alpha.15",
+    "@jupyterlab/coreutils": "^6.0.0-alpha.15",
+    "@jupyterlab/docmanager": "^4.0.0-alpha.15",
+    "@jupyterlab/filebrowser": "^4.0.0-alpha.15",
+    "@jupyterlab/mainmenu": "^4.0.0-alpha.15",
+    "@jupyterlab/services": "^7.0.0-alpha.15",
+    "@jupyterlab/settingregistry": "^4.0.0-alpha.15",
+    "@jupyterlab/statedb": "^4.0.0-alpha.15",
+    "@jupyterlab/translation": "^4.0.0-alpha.15",
+    "@jupyterlab/ui-components": "^4.0.0-alpha.30",
     "@lumino/algorithm": "^2.0.0-alpha.6",
     "@lumino/commands": "^2.0.0-alpha.6",
     "@lumino/coreutils": "^2.0.0-alpha.6",
diff --git a/packages/ui-components/package.json b/packages/ui-components/package.json
index fee5b1f78..7fca65b2a 100644
--- a/packages/ui-components/package.json
+++ b/packages/ui-components/package.json
@@ -43,14 +43,14 @@
     "watch": "tsc -b --watch"
   },
   "dependencies": {
-    "@jupyterlab/ui-components": "^4.0.0-alpha.29",
+    "@jupyterlab/ui-components": "^4.0.0-alpha.30",
     "react": "^17.0.1",
     "react-dom": "^17.0.1"
   },
   "devDependencies": {
     "@babel/core": "^7.10.2",
     "@babel/preset-env": "^7.10.2",
-    "@jupyterlab/testutils": "^4.0.0-alpha.14",
+    "@jupyterlab/testutils": "^4.0.0-alpha.15",
     "@types/jest": "^26.0.10",
     "babel-loader": "^8.0.6",
     "jest": "^26.4.2",
diff --git a/pyproject.toml b/pyproject.toml
index c46f201c3..7fba5d6ae 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["hatchling>=1.5", "jupyterlab>=4.0.0a29,<5"]
+requires = ["hatchling>=1.5", "jupyterlab>=4.0.0a30,<5"]
 build-backend = "hatchling.build"
 
 [project]
@@ -30,7 +30,7 @@ classifiers = [
 ]
 dependencies = [
     "jupyter_server>=1.16.0,<2",
-    "jupyterlab>=4.0.0a29,<5",
+    "jupyterlab>=4.0.0a30,<5",
     "jupyterlab_server>=2.13,<3",
     "notebook_shim>=0.1,<0.2",
     "tornado>=6.1.0",
diff --git a/yarn.lock b/yarn.lock
index 4cb5e3043..6ad5fa659 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1433,18 +1433,18 @@
   dependencies:
     "@jupyter-notebook/application" "^7.0.0-alpha.6"
     "@jupyter-notebook/ui-components" "^7.0.0-alpha.6"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/celltags" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/console" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/celltags" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/console" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
@@ -1452,11 +1452,11 @@
 "@jupyter-notebook/application@file:packages/application":
   version "7.0.0-alpha.6"
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
@@ -1467,48 +1467,48 @@
 "@jupyter-notebook/console-extension@file:packages/console-extension":
   version "7.0.0-alpha.6"
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/console" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/console" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
     "@lumino/algorithm" "^2.0.0-alpha.6"
 
 "@jupyter-notebook/docmanager-extension@file:packages/docmanager-extension":
   version "7.0.0-alpha.6"
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
     "@lumino/algorithm" "^2.0.0-alpha.6"
 
 "@jupyter-notebook/documentsearch-extension@file:packages/documentsearch-extension":
   version "7.0.0-alpha.6"
   dependencies:
     "@jupyter-notebook/application" "^7.0.0-alpha.6"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
 "@jupyter-notebook/help-extension@file:packages/help-extension":
   version "7.0.0-alpha.6"
   dependencies:
     "@jupyter-notebook/ui-components" "^7.0.0-alpha.6"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
 "@jupyter-notebook/lab-extension@file:packages/lab-extension":
   version "7.0.0-alpha.6"
   dependencies:
     "@jupyter-notebook/application" "^7.0.0-alpha.6"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
 
@@ -1516,22 +1516,22 @@
   version "7.0.0-alpha.6"
   dependencies:
     "@jupyter-notebook/application" "^7.0.0-alpha.6"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/polling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
 "@jupyter-notebook/terminal-extension@file:packages/terminal-extension":
   version "7.0.0-alpha.6"
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/terminal" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/terminal" "^4.0.0-alpha.15"
     "@lumino/algorithm" "^2.0.0-alpha.6"
 
 "@jupyter-notebook/tree-extension@file:packages/tree-extension":
@@ -1539,17 +1539,17 @@
   dependencies:
     "@jupyter-notebook/application" "^7.0.0-alpha.6"
     "@jupyter-notebook/tree" "^7.0.0-alpha.6"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
@@ -1558,17 +1558,17 @@
   version "7.0.0-alpha.6"
   dependencies:
     "@jupyter-notebook/application" "^7.0.0-alpha.6"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -1577,24 +1577,24 @@
 "@jupyter-notebook/ui-components@file:packages/ui-components":
   version "7.0.0-alpha.6"
   dependencies:
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     react "^17.0.1"
     react-dom "^17.0.1"
 
-"@jupyterlab/application-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/application-extension/-/application-extension-4.0.0-alpha.14.tgz#62f34f3c9074ec646dc8ce9d8307691774aa41f6"
-  integrity sha512-flNIZmgr0nlLIfLFtm00dwMQGe8E31mQJT7JKKaPEZ0xg8nvEPnN6GuQoY4eNtGmx1roGus3+AFeRx2wo0s8hw==
+"@jupyterlab/application-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/application-extension/-/application-extension-4.0.0-alpha.15.tgz#f0ad795b31db7d1f6332a3697c8eeec37f8f1d64"
+  integrity sha512-ePGiD7q6xYWU+OxZQaK+xtWdpl9AYHUo87yG2LW/Qza1aMnw3wrRxt0ZkNUWNVcZyTTuGOACw/+Hp524ynqYxA==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/property-inspector" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/property-inspector" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -1602,21 +1602,21 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/application@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/application/-/application-4.0.0-alpha.14.tgz#e0c3419555360f062740a1f3fe8a41db73e47f82"
-  integrity sha512-BKvon+6BIFATyjGhZUipYui2PiERf9uQdkuwOOmyPnxB9gbgBUP2GBKK2z6nBNCmCEz8LfWlpjtCLgK0Awc0Ug==
+"@jupyterlab/application@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/application/-/application-4.0.0-alpha.15.tgz#f37b667d8078b6bba8af26d30459e88057cfd4a7"
+  integrity sha512-gxsMjExBw5LVHxs5pw2mgxoN0Xzg5zyP4L5ZNxWLC79pVfHZSxfGMngpM6sjg4/ANw8P8ow8LWKerP22qKu7Pw==
   dependencies:
     "@fortawesome/fontawesome-free" "^5.12.0"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/application" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
@@ -1628,23 +1628,23 @@
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/apputils-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/apputils-extension/-/apputils-extension-4.0.0-alpha.14.tgz#46b28d2a1ff487be639056689f5600dff7350cf4"
-  integrity sha512-oo7XSqW8/nVTnhTe11HbEG8upXk7LKsg3GATY8djbPCNwn8BDbOQXbgn7M9L8s4IqSTIK+ttF4Of8ayiL39pXw==
+"@jupyterlab/apputils-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/apputils-extension/-/apputils-extension-4.0.0-alpha.15.tgz#57548024c11762f5f0505bcdc17371dab79fd810"
+  integrity sha512-qAyyZa0I9NKiqD+naZyZ6NHihQuAFCWnI8gyzXtEei4xjGAAZmg7GI3bcjpvaoIGot4aaXOAhPFFVZY1UDRF+g==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -1652,20 +1652,20 @@
     "@lumino/polling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/apputils@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/apputils/-/apputils-4.0.0-alpha.14.tgz#07ba28e7ff9460a4344aa387b319391cfbbf3ea2"
-  integrity sha512-ECggvfp0HmKkL67Gihm9vJJ0SrdIYILEyKcaLbK9YZNdX3whekDacLjDZynNBjcb4qjFKI0doRPujAEtQ+cDhA==
+"@jupyterlab/apputils@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/apputils/-/apputils-4.0.0-alpha.15.tgz#da7d5a6c6c7f10bb9e06f517780b49a966724800"
+  integrity sha512-PWBf4AIo3WQgSp4zRUNVU7433iZNhFbWihqHMrUaEultg8lEJeq0mfTHo25xPndfrhFdbBMv9fpFlPx8XtG/sA==
   dependencies:
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -1679,25 +1679,25 @@
     react "^17.0.1"
     sanitize-html "~2.5.3"
 
-"@jupyterlab/attachments@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/attachments/-/attachments-4.0.0-alpha.14.tgz#31696adc96f5d8aa24cbcccfed59c80a77b9559a"
-  integrity sha512-cdMI8uG++VOQcpkC62xCL+MaJDRmW/ajiJSKvXa7r5JhK+6EiYE2wk0tX/Zoiy72L3lOmI6jYLPjDAwfjGMEQQ==
+"@jupyterlab/attachments@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/attachments/-/attachments-4.0.0-alpha.15.tgz#d2d671c42c9dfdd0e08610c55d523e2f34554d0d"
+  integrity sha512-UaD18N10+qFG0wYe81T1bvGbpWhR6EaR8x1SgZF51Ew1QB/P83AU2EThSBJSqwijdawrFsBVhgrQmpBdBctwbg==
   dependencies:
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
 
-"@jupyterlab/builder@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/builder/-/builder-4.0.0-alpha.14.tgz#84a8b2128834696c71aa496fca5248c540f6f5ff"
-  integrity sha512-VuXwv9b0rS3B3Hp4G816bohyFI0iIJgH+E19H3MBm5Oe93VngyXnj85RfUziH5RLCoLbwBlE7ZRl/fjqVt9aXw==
+"@jupyterlab/builder@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/builder/-/builder-4.0.0-alpha.15.tgz#916964e9eff6f75f70099553b760fe3ffcffdebb"
+  integrity sha512-xKPA13mgNvyKy/t3B4OzYcRJ8yNUTc9vp+dbqVIauR2LwV5qjxaFYbUUOkhprgzhOBXcRqyZgiS5tyKZ5qyNoQ==
   dependencies:
-    "@jupyterlab/buildutils" "^4.0.0-alpha.14"
+    "@jupyterlab/buildutils" "^4.0.0-alpha.15"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/application" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
@@ -1730,10 +1730,10 @@
     webpack-merge "^5.8.0"
     worker-loader "^3.0.2"
 
-"@jupyterlab/buildutils@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/buildutils/-/buildutils-4.0.0-alpha.14.tgz#ca9f61f6781bf5b9672ed3187569b19317db7b43"
-  integrity sha512-oOb1fYuYLT0p9+rBzmUSW4ODKSuXT2jSkog3G/sHYCHCihPUC/2ZT0q4nBmV6eYcgXy4/ayX1hgfJ0DqPuw4rw==
+"@jupyterlab/buildutils@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/buildutils/-/buildutils-4.0.0-alpha.15.tgz#90652fda7629b099ab48679776980cf667d102ec"
+  integrity sha512-U/uecNy+HqzCBCUE8MdLEfgu/gHSxGPsxjFoZMtQRENaSp3WlUiHNBerA4Pxn3UO87UfGMXV1QqdMh8cwGkOSQ==
   dependencies:
     "@yarnpkg/lockfile" "^1.1.0"
     child_process "~1.0.2"
@@ -1753,55 +1753,55 @@
     typescript "~4.7.3"
     verdaccio "^5.13.3"
 
-"@jupyterlab/cell-toolbar-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/cell-toolbar-extension/-/cell-toolbar-extension-4.0.0-alpha.14.tgz#5aa1dfbe0a428a36f052604e7683213e759d5e26"
-  integrity sha512-TwAw530EKpWJItEHO/MQneW9X/sf6azLHLa+JIoJjZVx5SmTTR2xbLpKgMUWmv+1izZpzVH8WEiIBgwpSNwHrA==
+"@jupyterlab/cell-toolbar-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/cell-toolbar-extension/-/cell-toolbar-extension-4.0.0-alpha.15.tgz#9ca2bb696028197ff64b35576710c4cc40b2c20f"
+  integrity sha512-+c4XaOFoU9fqyddT+x/lY4ZvWxP/whSxg3e5SeYHbBq32pwoa1zGLL+YSPXvAZ9RM1dmEBXGamNv5TM0Mc7O/Q==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cell-toolbar" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cell-toolbar" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/cell-toolbar@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/cell-toolbar/-/cell-toolbar-4.0.0-alpha.14.tgz#e4eb39dfebeb1b27abd84719fc49806357412737"
-  integrity sha512-/bdI3FLJFxqtB1AukQ46aRu7M9wamKQLLwmvTzxs4+6jTaQxrHM25PY5bUuoCiTsbPYY5yv1fFm4A6DcCJ6VBg==
+"@jupyterlab/cell-toolbar@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/cell-toolbar/-/cell-toolbar-4.0.0-alpha.15.tgz#9f39287063d9a252c38f7f9f59ad6dad94ba99a2"
+  integrity sha512-FdsrgxFwrqgFbcjHRyQus7IFKhF1K3F0X/dHOsyhvca1dqpdpEIv6hGDfP1MFZ2cdjVh6o7c9UO3sUWtgpR+EA==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/cells@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/cells/-/cells-4.0.0-alpha.14.tgz#b68408724c5991b5a1fd390b8e3a355565df43f2"
-  integrity sha512-JIh/ZA/0Wrj+RkUh9aPjWFt1RH6J0UXpjpMtYskvbEcf5Ncnu8KIwWLVcq99uxce/2u1KIM8b9bLy+hPNrzTSg==
+"@jupyterlab/cells@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/cells/-/cells-4.0.0-alpha.15.tgz#7401da1932a2d5a0c1181fa6fdda5bf24c3ae955"
+  integrity sha512-X2sHyD7IM3v1ct5Yb9LlI/i26WD1Xjl639KUUUCZ+sMNKTWKRMvB5UkQJebh77YFCSH7bXWdISeB+F46HxUP5w==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/attachments" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/outputarea" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/toc" "^6.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/attachments" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/outputarea" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/toc" "^6.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/domutils" "^2.0.0-alpha.6"
@@ -1813,43 +1813,43 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/celltags-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/celltags-extension/-/celltags-extension-4.0.0-alpha.14.tgz#cad83537b31e31910f10099ae260a26aa66a65e8"
-  integrity sha512-S7o/l8n2K5eCnbXCFKsGaOlbl4PnQb10oeRo1PQDQSPAvpN2WgUzp83YYMXlLjngsDs41DGaSBj+7h6qfGCVmw==
+"@jupyterlab/celltags-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/celltags-extension/-/celltags-extension-4.0.0-alpha.15.tgz#e72fb7b65b6feeb13ab3eb2c59dec28e0d6f1dd5"
+  integrity sha512-nHl+5KX3EhPuXWksUNh/jIJi9eicZg6HyOJ5q8J1u9+zJHZJIwP+GKU1L/bwuhA7IoqMujin7NSa42AZpnUrVw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/celltags" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/celltags" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/celltags@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/celltags/-/celltags-4.0.0-alpha.14.tgz#d1ad45da532c62b0ba1f3778e2feff04d0800698"
-  integrity sha512-R5saMxq6z3GdlBLNBWEYJALF+tz4BJ+0POFQir8sO3Qb+JZneVc9IKYI+hP8K0c5dxQ3nPrl7SwLwNWnKluXjQ==
+"@jupyterlab/celltags@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/celltags/-/celltags-4.0.0-alpha.15.tgz#01f66cbed5c4840b83500ee362f0a59f2a457934"
+  integrity sha512-QiNwIFu5yc7OU9Sy7ds7ZPWv5AsBoR8sDzUeMIQTX2t1wUYlN3G+/lVvoeLryEFx7kPlnzKVKMWGSyTgCrYm2Q==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/codeeditor@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/codeeditor/-/codeeditor-4.0.0-alpha.14.tgz#4efa7b0aec095638425e2c0e9a92717069ce9998"
-  integrity sha512-mso6E/dwqTtXy0VXu7KE0xY5z2pO5/XBSPVXYyxk3QlqkoKAlsJ4l7suY8NVR1SgsCCQZukhvvQsf1ZTr9Q17g==
+"@jupyterlab/codeeditor@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/codeeditor/-/codeeditor-4.0.0-alpha.15.tgz#59884a0a376f64b6a29bd5323ec6cea76bff1371"
+  integrity sha512-iB8Zl3IXJoeJpceibZlbVb5D7qsKW/mR608D6qE66hkP0Sh6pzqfxPgwy/ewE5SW1G9VQ/CLUoY1A0NoAp/7DQ==
   dependencies:
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/dragdrop" "^2.0.0-alpha.6"
@@ -1858,27 +1858,27 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/codemirror-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/codemirror-extension/-/codemirror-extension-4.0.0-alpha.14.tgz#ac9dbed35168229cddb12e84f29638135d4a26cb"
-  integrity sha512-gXtk2wnY4SbBe0zE/uXQ0rzbXQcFLejYORwQJLpRt4HIdjm3mD1/wia5aoTHqNdmLkW/3EEQ8EDhRQiDbtEY9A==
+"@jupyterlab/codemirror-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/codemirror-extension/-/codemirror-extension-4.0.0-alpha.15.tgz#0de5917a508b05ef39fca24ab8ebdae05923a15d"
+  integrity sha512-ShcgxI/KpjHHBoT8TF7Zoz7MXaFdovvqqVwvu48oNZDXeegzDbCabyi+yVd+AzeUXw3Pw+fGUf9WAytQ9aR5JQ==
   dependencies:
     "@codemirror/search" "^6.0.0"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/fileeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/fileeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/codemirror@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/codemirror/-/codemirror-4.0.0-alpha.14.tgz#d976d735fde29410dc6232f71ecec87d5648c2da"
-  integrity sha512-lvUZmfuqS90wVi2j61gnXRFPsEoD4V7olH/N89yq5yinQKL6LSwzR6pSFB3lvYDHMYxBZQZUk0onZaR2VezYsg==
+"@jupyterlab/codemirror@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/codemirror/-/codemirror-4.0.0-alpha.15.tgz#5c931471cf686891d774d80fc78720fced0c9bfe"
+  integrity sha512-50n6raMdaN64qXzng6AI2LEfHQToPypclI6Fw2IHAmDyaBNZaqv6l1/ZaQf6kelxFiK3k4pjYdC13GWx2SBPfA==
   dependencies:
     "@codemirror/autocomplete" "^6.0.0"
     "@codemirror/commands" "^6.0.0"
@@ -1900,15 +1900,15 @@
     "@codemirror/search" "^6.0.0"
     "@codemirror/state" "^6.0.0"
     "@codemirror/view" "^6.0.0"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lezer/common" "^1.0.0"
     "@lezer/highlight" "^1.0.0"
     "@lumino/algorithm" "^2.0.0-alpha.6"
@@ -1923,33 +1923,33 @@
     y-protocols "^1.0.5"
     yjs "^13.5.40"
 
-"@jupyterlab/collaboration-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/collaboration-extension/-/collaboration-extension-4.0.0-alpha.14.tgz#ac68a272894194d8e12f5e50724bb0e71dffbde6"
-  integrity sha512-wZwjugQsKD+6y0zaHZVoQrq/94Tpu0X493th8qRGvboEbPrDsMaNoUXWWSYeExkpCtLoYBBqY6qn7Cch7YgvqA==
+"@jupyterlab/collaboration-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/collaboration-extension/-/collaboration-extension-4.0.0-alpha.15.tgz#fa131ec2b67c0fb24ca5925b5e692faa8f8e1ae6"
+  integrity sha512-8qXv0nl1/2ItEfUgHn0abowVgiDSFYiEJseI/aVvxPPTDfiiA72sqcmUsS8WlJsBdlGgxbsisfkURTScmmG0Cw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/collaboration" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/collaboration" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/widgets" "^2.0.0-alpha.6"
     y-protocols "^1.0.5"
     y-websocket "^1.3.15"
     yjs "^13.5.40"
 
-"@jupyterlab/collaboration@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/collaboration/-/collaboration-4.0.0-alpha.14.tgz#c56e3009c9c928dd94c8f8ef754dd85951d56d37"
-  integrity sha512-6II1pS9HPrF/ysXdYC6+O3lYtWXyRF369wjFY+/1mWGOeocgN3H+VK81hIClcA2qRsPVjuc2+2umb0CYd+QsgQ==
+"@jupyterlab/collaboration@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/collaboration/-/collaboration-4.0.0-alpha.15.tgz#e9b2b727a5cbd592c6af9a2ea3df49d2cb391959"
+  integrity sha512-gz4BJBRuvMy5XdKA2f3+CrQeQcAZ7BGib14rJcttGqGGXgPaHcbcX0XmlG5C7R6uDYHNl6ylsW7a0P/Je+4Bmg==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/virtualdom" "^2.0.0-alpha.6"
@@ -1958,32 +1958,32 @@
     y-protocols "^1.0.5"
     yjs "^13.5.40"
 
-"@jupyterlab/completer-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/completer-extension/-/completer-extension-4.0.0-alpha.14.tgz#85074730871f1f463d301babb94c30e2aa3cd3ab"
-  integrity sha512-WWoQJ+FLJAqYSN3eRfRkSBHSpEYp5aHJXsNXP8BHk+lCLvHtbEZMLOBkgwGbQTzBFJJUOboL4OaAJlGFmSEpLw==
+"@jupyterlab/completer-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/completer-extension/-/completer-extension-4.0.0-alpha.15.tgz#e75c61276d00f57b574a4a06985b4dfcbd06fcfa"
+  integrity sha512-vWj3OL26jaMY+InDD8AzOGARhwZWYePBaOqs1risOEXpcfJ8v1Aqip704xLh2JRekwNLudnIfXK9Yu4Gpe0oNA==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/completer" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/completer" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
-    "@rjsf/core" "^3.1.0"
+    "@rjsf/core" "^4.2.0"
     react "^17.0.1"
 
-"@jupyterlab/completer@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/completer/-/completer-4.0.0-alpha.14.tgz#d15d0725fb6c3045f1bea6966377a48ba05957c4"
-  integrity sha512-IlqzYMD3xKgpUCDcRFI5JgU9bSfjIp0EAWDqvZuArr/6ORys3i44JvYoa7QeNrpMBF9iHhDNr/CyZOv/13Epzg==
+"@jupyterlab/completer@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/completer/-/completer-4.0.0-alpha.15.tgz#dbdcb0cef70922679af789b095d8c8baf58b134a"
+  integrity sha512-EnQO+DIkThXnxXa+6R1fAPIqRHHmNqawUOav21pYBUa0Ttm0odg/VQsVsL83pFwx+Hcw6MKBS0ki1A0FoP8oCQ==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -1992,45 +1992,45 @@
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/console-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/console-extension/-/console-extension-4.0.0-alpha.14.tgz#c4faecf9f79e2fd0de1b90f05ef4c33f6d47f0b2"
-  integrity sha512-+ubrO+Xlvoodz1HtLgtNSi6HnvlxT7dxkm0R9lZSkfllfvFObmf60EdmqSMOv8FXQ75jhPvj4NUk61mwiD5wjg==
+"@jupyterlab/console-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/console-extension/-/console-extension-4.0.0-alpha.15.tgz#fe598e2879528510f037522384e83ec910cf9a07"
+  integrity sha512-hVkDV4Sy+JqlXK88gBogn3FnvTPj28ywY/alKRtQOUfkAeiRonZsybRrqxA5wmLElGVAPohVIIq+vc44y2zVaQ==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/completer" "^4.0.0-alpha.14"
-    "@jupyterlab/console" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/launcher" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/completer" "^4.0.0-alpha.15"
+    "@jupyterlab/console" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/launcher" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/properties" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/console@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/console/-/console-4.0.0-alpha.14.tgz#ba9acb4f3073a4921fc202d233cb505f395597ea"
-  integrity sha512-3QFgNGiJrD5ku+E8tlUzN59L4t1hAmW98H0a5sl6r3jqAHw+TqFz5kP1Suxa89BCcqzoIyShoUISotpb4YXtwA==
+"@jupyterlab/console@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/console/-/console-4.0.0-alpha.15.tgz#8178afe5dc1eea23e8186814d373cc509e1af6e8"
+  integrity sha512-yHRMHOy49hLflJyrvhv7fYd49feiYeogw2hD+yDHPBqo/M9aiL2oGeRcJwuVMA82Z3/891lbjnAWoXyu4Avz+Q==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/dragdrop" "^2.0.0-alpha.6"
@@ -2038,10 +2038,10 @@
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/coreutils@^6.0.0-alpha.14":
-  version "6.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/coreutils/-/coreutils-6.0.0-alpha.14.tgz#23f28bea265ba0888372c1bc751beb566a5a835a"
-  integrity sha512-bSiF//TSC8aMb3kCWJmvuUVEgN9p212pqKNy6ueExlhpTRVE3I4Xyil4uBX6z+O//hDkZyTQC4dtFgIsSn9b5Q==
+"@jupyterlab/coreutils@^6.0.0-alpha.15":
+  version "6.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/coreutils/-/coreutils-6.0.0-alpha.15.tgz#260839a3ccfa5f045b7c722a3ed736c9ceb03f9f"
+  integrity sha512-HxBZ6inx3Gvn8ec5NiubwLpQdQRF7p4ePH1H/9zw6UerEqy9CnjK2ti7JrRND9I3PVs3aFDCuMh126fx6D6YAQ==
   dependencies:
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -2051,49 +2051,49 @@
     path-browserify "^1.0.0"
     url-parse "~1.5.4"
 
-"@jupyterlab/debugger-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/debugger-extension/-/debugger-extension-4.0.0-alpha.14.tgz#598b6046b40e10e3d811d11ae7b1b2c3611ce031"
-  integrity sha512-K5u32ACz4YNaz2inh+g4mYkUdJTuyAxQSquFvVAImp27oyGKn4GxYrtcHoUCoJlib/0DyDTOg2LOCup6iocMng==
+"@jupyterlab/debugger-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/debugger-extension/-/debugger-extension-4.0.0-alpha.15.tgz#bfa22b89e93d3feec944d7a7ff2addc6086e6c9e"
+  integrity sha512-5VHm1wvo6bmFOU7tO0TUJWp0EPnoDdbU+udq/sHy+8/vcv9Q5ktxMu5bjmE978HIyMPiOKiYtGTeJcjURGux+g==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/console" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/debugger" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/fileeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/logconsole" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/console" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/debugger" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/fileeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/logconsole" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/debugger@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/debugger/-/debugger-4.0.0-alpha.14.tgz#d9d0c48800b30ec9d083add8bde32cfac8a8c620"
-  integrity sha512-qtewnV9Dfkl2iV9KC911k1LU+Jv9vn7JABvaTM7vZyS8FqVuZ15zigk1HessvRGy657MD5SZoUtpBa4ETcerOQ==
+"@jupyterlab/debugger@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/debugger/-/debugger-4.0.0-alpha.15.tgz#5979a7cb565ed10b79f01fad195d781a9f730b92"
+  integrity sha512-6PiAK/a3Zylo9NicKMKMrd+XGxu2WBLX4EfC0HYPrpnPDGAJKWwQOlR+r6Uqd6WKzQl7HuQYNkqT+GHWBIkKIA==
   dependencies:
     "@codemirror/state" "^6.0.0"
     "@codemirror/view" "^6.0.0"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/console" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/fileeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/console" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/fileeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2106,22 +2106,22 @@
     "@vscode/debugprotocol" "^1.51.0"
     react "^17.0.1"
 
-"@jupyterlab/docmanager-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/docmanager-extension/-/docmanager-extension-4.0.0-alpha.14.tgz#dd31c98e924c12d44ced652410e09451bded155b"
-  integrity sha512-cZmdg9hZAVvBpX8rURTvN4FckFacNVea+J5a3fd471rgWGjEv8vcI2ljuKtIrrXwMOgnuBFN4tNFF6XyCQK6LQ==
+"@jupyterlab/docmanager-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/docmanager-extension/-/docmanager-extension-4.0.0-alpha.15.tgz#ad11e3f555181ef289a18f4dbb7368a52b7180a8"
+  integrity sha512-PCpaPSSez6NXD8rVVffPc1huRrsh4qiGLo8AYR2xWZSdzjakZ8Za70jJY+RlKNXVXfMXKMFJx4PRLCYlxe43Ig==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/docprovider" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/docprovider" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2130,19 +2130,19 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/docmanager@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/docmanager/-/docmanager-4.0.0-alpha.14.tgz#effaecbab1abbdac0e49b0a2772a87e45b43efe5"
-  integrity sha512-MVGpBJImNx/bd392bnrGupa7TFxAAoHP4Mmq6Z+tzZ1rjtrDkOng0ujFa89gchOCM5wDMqMhjZhT8ttgf26Yww==
+"@jupyterlab/docmanager@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/docmanager/-/docmanager-4.0.0-alpha.15.tgz#8db67d789e980d9583cc32b24b46415dd79aabfe"
+  integrity sha512-sdiIJqbjGmQQEKAuwetovAEyrZGibLWfmZX+YB7cPB3Lra7DLBefG/0KkldEAhDeXcNGRbp0oGEcqJxJI6042Q==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docprovider" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docprovider" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -2152,45 +2152,46 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/docprovider-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/docprovider-extension/-/docprovider-extension-4.0.0-alpha.14.tgz#a6c67d32c258564e3abf9d2ff97a2770b5ead5d8"
-  integrity sha512-l7CWAAHGxXLDNPrRZ4nx6gfD1+SebO+NePHDmvuGFsdHnfwggkqIMqnWykZ/iF4TgoCqAgu8vl82WRU879QzeA==
+"@jupyterlab/docprovider-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/docprovider-extension/-/docprovider-extension-4.0.0-alpha.15.tgz#e26babe417bdc1e76fce61e3ca277197b5ecc7ed"
+  integrity sha512-uXqJRvhntNDvLc7nFcKrvwc3Aqc/gpHMWEiJksIdciBL7q2dQ6JzNvaBjB0vY9OFgEfEc70tqBtynN9hPoDSBw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/collaboration" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docprovider" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/collaboration" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docprovider" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
 
-"@jupyterlab/docprovider@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/docprovider/-/docprovider-4.0.0-alpha.14.tgz#2adcc3121b5192528cca68346d70389f85121abd"
-  integrity sha512-322ypc/6Ay1D+gp2aR0ccf+BI/1YqABVbX8CgZn6MdRRpAWxAgbJO+B9dRnYqZWKquRitWFpzaBFY87qgH68TQ==
+"@jupyterlab/docprovider@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/docprovider/-/docprovider-4.0.0-alpha.15.tgz#54cc83a3a5206ce34c007d8b9968a008072dd54c"
+  integrity sha512-chF+myFZR8Ly5wRggJgIcsFnLEgVH3xu2QwdpkfHqjaW1IUV/DpofnAtYVv2hkgzoBvSKZXl0yhoEcRzBZ6/Jw==
   dependencies:
-    "@jupyterlab/collaboration" "^4.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
+    "@jupyterlab/collaboration" "^4.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     lib0 "^0.2.42"
     y-websocket "^1.3.15"
 
-"@jupyterlab/docregistry@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/docregistry/-/docregistry-4.0.0-alpha.14.tgz#4845ef7fc488dc6815245ffcfea7d7f1df4061a6"
-  integrity sha512-yK/ALuk/pJSxVhG/B9Hb/uYQzDV2DiDzJzgP5OJfK5YL4XIOXQW4zPfLL9AUQJ9MiMPT5qE4iqGD8xBHzqWqQQ==
+"@jupyterlab/docregistry@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/docregistry/-/docregistry-4.0.0-alpha.15.tgz#fd1bd092a7d7af5f00703c3ef80e77e53bc3bb0f"
+  integrity sha512-ITDrdoZl/6VcEJw8VyqqZjJLFHQTycS6WbieUmpWgj9Ii3/4VNZnUtn/K6nDc3LFtXL2G1Ej8dxe65Db6/Gqdw==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docprovider" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docprovider" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -2199,25 +2200,25 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     yjs "^13.5.40"
 
-"@jupyterlab/documentsearch-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/documentsearch-extension/-/documentsearch-extension-4.0.0-alpha.14.tgz#464646c1ecce5ed4f095a1f38613dd7a9184160c"
-  integrity sha512-GEdhZ+RYoqoqlI/BGxV2exPY7IqFDJ3V5MEMl1p9O86yt4nX1ewnW0o/2vEDSj8vxGGLiqRvSLt265yr3Pj1/g==
+"@jupyterlab/documentsearch-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/documentsearch-extension/-/documentsearch-extension-4.0.0-alpha.15.tgz#10a8d8ca25e00878b92eca00a315db7656d43e39"
+  integrity sha512-wL8LO3KAE4Hn24acAUQe2L9K81hMnnyTA6MiNJ7988CTtjTXoohAQu0OV2pO5T0PPq6qkZTH9ivlXCp7/tjXKg==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/documentsearch@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/documentsearch/-/documentsearch-4.0.0-alpha.14.tgz#2494aa093da3b21e6d169eb8e5ca84a9b02f19df"
-  integrity sha512-FAYAlIbGxDSx2gM6w81Kcr00T1HLIaL9aFG8gV8ZoFP+BOL7YuEHIrrh/3fV2UqXafGvdn0cUl/hAph5m2pAIQ==
+"@jupyterlab/documentsearch@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/documentsearch/-/documentsearch-4.0.0-alpha.15.tgz#cf94f29ea9968956bd1e01918ffabfabd5546268"
+  integrity sha512-c/nxZDHc7jTLWj+++xn5D9XngpVMCZRVXUsFoNMTc6xwJ6lKLcGbUUaf51de7sdfZVtkiizIxMB2YdiQeRyavA==
   dependencies:
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/polling" "^2.0.0-alpha.6"
@@ -2225,41 +2226,41 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/filebrowser-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/filebrowser-extension/-/filebrowser-extension-4.0.0-alpha.14.tgz#a129493d06b64d9e92520e053785522d14b90af5"
-  integrity sha512-RMGQvPdLqkF5hVapA1mKzsg3gUdEQtuqNOFX4UdnVr8IsX4zwghN9AUOvaRKZPxxi5hOlh0z+HOn9Er1GX8P+g==
+"@jupyterlab/filebrowser-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/filebrowser-extension/-/filebrowser-extension-4.0.0-alpha.15.tgz#c1c89624ff70313bb0dd697af6e9aef2a5d0f5d6"
+  integrity sha512-fyK7wobl1arC8KZk8q3NtWXOpC03ys7/Ucj8eAUKQYI7HaXnNreIBE7AxYgywiAofehHdymQU/GQcuCgD88uKw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/filebrowser@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/filebrowser/-/filebrowser-4.0.0-alpha.14.tgz#4803059acf730f501b761e0fd3ed8c49987463eb"
-  integrity sha512-2V6BRfYUs8mlFnlhFbtDsm/o3U2NbvemQ9H4Lgf2KgwZh1qsKgq1AHW3lfrsuJQ9UaCRhoIJZYQFNUXJ+brxyg==
+"@jupyterlab/filebrowser@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/filebrowser/-/filebrowser-4.0.0-alpha.15.tgz#6567bba2af94499eb147291c061833d3ffea48ed"
+  integrity sha512-NeJJlGmGR+FU/SpC8CFrPrUu/bby5tnCUilJDu0UXCv/h7hU5X59UQFWTPqRvDM4k7v5Ki+oXTTmSoD5Tv6HoQ==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -2272,87 +2273,89 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/fileeditor-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/fileeditor-extension/-/fileeditor-extension-4.0.0-alpha.14.tgz#2ffe01a4b7a46b215d9ca9b27de59ccfb9b78da3"
-  integrity sha512-s9GrFd5yV9UGA2F6fdNtGt/2ssSGeoeVLya5/ChUUkOJYzuhmNfrpS0/Eytt0ifDWVaz1n7dCRHK1b4wXSHcoQ==
+"@jupyterlab/fileeditor-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/fileeditor-extension/-/fileeditor-extension-4.0.0-alpha.15.tgz#10d35e7617b75691eccb389e375836794d5a9793"
+  integrity sha512-MASZW5+gEvqYev3VH2BhRvAlSm85AtYakh3Qo2N7uKGqcddsT9HGOaN9y0H1JA9KjyyToA6T0EqD5kgH0UIomg==
   dependencies:
     "@codemirror/commands" "^6.0.0"
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/completer" "^4.0.0-alpha.14"
-    "@jupyterlab/console" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/fileeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/launcher" "^4.0.0-alpha.14"
-    "@jupyterlab/lsp" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/toc" "^6.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/completer" "^4.0.0-alpha.15"
+    "@jupyterlab/console" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/fileeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/launcher" "^4.0.0-alpha.15"
+    "@jupyterlab/lsp" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/toc" "^6.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/fileeditor@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/fileeditor/-/fileeditor-4.0.0-alpha.14.tgz#6267e7d132140fde230ef50269c52f187f7593be"
-  integrity sha512-sqJQoiiVCu1CntQybTiQuCzobLk3DmbHzvHKwxdz1BUt8a2Y2cCiGX4YASMPXMH4Dzy8GqQykyPqTbi3u5/Amw==
+"@jupyterlab/fileeditor@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/fileeditor/-/fileeditor-4.0.0-alpha.15.tgz#4ffe6aafff668df0e940d47661764e543e80761a"
+  integrity sha512-7n12+FgKkb+puP9MZDCXkBoHYcG9vVbHa9TVyUUtHjItRMQpHk9cq44nG3rgtmEIM5r0cCOLPNUi81L9qawpqw==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
-    "@jupyterlab/lsp" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/toc" "^6.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
+    "@jupyterlab/lsp" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/toc" "^6.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
     regexp-match-indices "^1.0.2"
 
-"@jupyterlab/hub-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/hub-extension/-/hub-extension-4.0.0-alpha.14.tgz#38cb92c6d8264136d5c0eafbe4d81a442813c374"
-  integrity sha512-9vNgJVV9Zp6Zb2QmBek/lNvhMlaeNCXT3t4oG0NrqoMq71AeMwLTDrcBFxvnAyZAbGnREHmIuc9vuaReJ7JscA==
+"@jupyterlab/hub-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/hub-extension/-/hub-extension-4.0.0-alpha.15.tgz#46c96bdd11d04ac0ad485f9b91fe85dfa698a3c2"
+  integrity sha512-71/5Oqw17HnAAGoYC1PxL0Qsocsg3gi3AzllSBRGEQZ8KD0gGplbXdjvNxgpVB7fGg8gvTtxM+rLjtg3zosVjA==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/javascript-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/javascript-extension/-/javascript-extension-4.0.0-alpha.14.tgz#d868f6f6783ff17b1c879e949920c5fee44f3c10"
-  integrity sha512-67NoLcyM6T6e0N/kS26drlrcMiDC1a30HdLA4d4+A71fZRVjB/IdMd/5yuYG5SiFssW63QdfuEXASrqqzUJv8g==
+"@jupyterlab/javascript-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/javascript-extension/-/javascript-extension-4.0.0-alpha.15.tgz#3a33f2183784d53a77db10d919d66ef2679ca9aa"
+  integrity sha512-yvs7+HRNcs7txcGkgyYWPDhh0Nnt3VkyU0zrY5gRbhmkZWmURt0hqK2udhmdBOWs5oRrq2gu+gRR6re9JHRA5A==
   dependencies:
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
 
-"@jupyterlab/json-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/json-extension/-/json-extension-4.0.0-alpha.14.tgz#0f8ddbb7735aca22ba91172493e62554ee39cbd4"
-  integrity sha512-ceEnz9J1+ZCsLq/Frm4fvWXtilS+XEgCDxmSX0A5oBC+xRsH8jF5Bzc7de6Z9QCT3Y0LNx0d00ghqdbSg2giZQ==
+"@jupyterlab/json-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/json-extension/-/json-extension-4.0.0-alpha.15.tgz#fd4e8f795bcb74dfd1272f4db1c564a1fc1d7d78"
+  integrity sha512-vs/0Q3YABED7s8H87lbS2sZG6HBvePNHxdgC/HOtht8Ut+/UsjudsFmhonzZGQp/k4C+atO6Tz55no9NtdIy6g==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
+    "@lezer/highlight" "^1.0.0"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
@@ -2361,14 +2364,14 @@
     react-highlighter "^0.4.3"
     react-json-tree "^0.16.1"
 
-"@jupyterlab/launcher@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/launcher/-/launcher-4.0.0-alpha.14.tgz#c08afc8a62ca59b7b445ecf8e635c2cfd0776b53"
-  integrity sha512-rAxiP7Tbh9tPLASJx17a7tehkjfHfJbs2KL2tgutXC0QxTB8lRuS4M8Q/Wdl6CCw4jy52sf3c0Pt43T8VWlmIA==
+"@jupyterlab/launcher@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/launcher/-/launcher-4.0.0-alpha.15.tgz#e81bb433047d4ecb6636cc68432234b83fd1f317"
+  integrity sha512-WvoWMoFFpY8Ll3KxVfOWLK7F7yVH8vIU7x73V46lkl0x1ZhFLLo0PclNaj9iSQtntXNdEykBb7frEfs7O6A91g==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2377,51 +2380,51 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/logconsole@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/logconsole/-/logconsole-4.0.0-alpha.14.tgz#805337c9c318000646b08e401d4161a4ac43084d"
-  integrity sha512-JU6Qu7He5ql5swzTgaZBidk8M72yXsVcOJ2lfb+RSbQiL4tKnNiYk1TEjhp9eRIV6/wkaFYUQhEnsEIq74GXFg==
+"@jupyterlab/logconsole@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/logconsole/-/logconsole-4.0.0-alpha.15.tgz#9971af46895711f6cbde7ab6f5d2254d5261c4d4"
+  integrity sha512-QViKeuhXfKUFCESaAhh+HrdeYh65WWavzerWRsBPoNrQ24J2mmWNC7PZ8Kyn8V3W8Rn8CiV+pL1GAKIqPntvLg==
   dependencies:
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/outputarea" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/outputarea" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/lsp-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/lsp-extension/-/lsp-extension-4.0.0-alpha.14.tgz#b471bfa1df87978767baff40fefb703e256c9de7"
-  integrity sha512-j3rDcmtDllO1X91LR1LaVnkxz8dKpM2RGdOEX8z6s3WaKirK0BTjuO0WR+95Ohp8UHVOMSO0lcz30HUNqgoAPg==
+"@jupyterlab/lsp-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/lsp-extension/-/lsp-extension-4.0.0-alpha.15.tgz#61aee18debd7969b4f5805826cca9b0376cf6313"
+  integrity sha512-k6ZC/VL0bRJWK97WCW3hDe9Sfxefg/wDWu6jSmIiRZ8bQsHxDtQ1L9o6oZEMXxO9ZOH4rjapwsFkTc3N9YUwwQ==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/lsp" "^4.0.0-alpha.14"
-    "@jupyterlab/running" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/lsp" "^4.0.0-alpha.15"
+    "@jupyterlab/running" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/polling" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
-    "@rjsf/core" "^3.1.0"
+    "@rjsf/core" "^4.2.0"
     react "^17.0.1"
 
-"@jupyterlab/lsp@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/lsp/-/lsp-4.0.0-alpha.14.tgz#c6ac368cefade63efb04d0538c52e5b94c316a29"
-  integrity sha512-bmoEgCK6YlAs+YynVbCILVJQWXb6c0lbwZ6bIpG0jwJadCo8efhmqgRuENfQoYE7AoAD77cYvQO0qPAjNQfuWw==
+"@jupyterlab/lsp@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/lsp/-/lsp-4.0.0-alpha.15.tgz#1d738047c41cb46ce2a60cb5d75d3aeb8c9969c2"
+  integrity sha512-FpB2StiKYGhR9ets/hXdVOnbI2sOl8KKFTKycw+a7BhrmSY0XwjUsCfPySxBYzza8vDMRvpCLVqyi3i7LeKQ5A==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
@@ -2430,104 +2433,104 @@
     vscode-languageserver-protocol "^3.17.0"
     vscode-ws-jsonrpc "~1.0.2"
 
-"@jupyterlab/mainmenu-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/mainmenu-extension/-/mainmenu-extension-4.0.0-alpha.14.tgz#36df76ccf98ea81337ece5cbb00034826459dbdb"
-  integrity sha512-IbRHSnZYq1smXy7EqktYkO907voDIuwPk0/WBaMOZFVKKn2xOW78bL+ij230PEA8lLUgCFTceDZ8atFaLMoxzA==
+"@jupyterlab/mainmenu-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/mainmenu-extension/-/mainmenu-extension-4.0.0-alpha.15.tgz#9aa8c1112be28a4757e7b172e93babb625c4fbd0"
+  integrity sha512-cJ3mIWnFsJIL30cFoY3jTq5VFG/I90UwXZSqH9wo7WKu7ZX7oNHN2xkmO0EgjYb+Rg8GDFaYOe1lQxybQXMKxg==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/mainmenu@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/mainmenu/-/mainmenu-4.0.0-alpha.14.tgz#17637c948c90ec83ffadc528881a2c20478ec5b9"
-  integrity sha512-gUkdhNjQiVYzqU18ahQDsy6zDVJ2/S3vtlZuHo8XMOTYOi1A/Bah04cFRWBq+UjKjEa5D5RuMdUZcrdUGQ2SNQ==
+"@jupyterlab/mainmenu@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/mainmenu/-/mainmenu-4.0.0-alpha.15.tgz#13949fb955a447df61c28c138ad96631dd32e021"
+  integrity sha512-6JkSB5ot07TieEz7S1Xvini8XxoyGzCPg3bVl6hmM8HFI3S0VXHoqGIttCPzu9EKN+9AZK8DxbRjdVpmLY3DfQ==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/markedparser-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/markedparser-extension/-/markedparser-extension-4.0.0-alpha.14.tgz#ec52359e8fac0b9833dc847a30946301032f9c63"
-  integrity sha512-dortkxouBTvbKmOr418yILbD/6NtZXtE5vl5/9ql3pJMRNgtlBZ4pvKya7b3RBEgMPGQSTxPzJjiYv1cE53BwA==
+"@jupyterlab/markedparser-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/markedparser-extension/-/markedparser-extension-4.0.0-alpha.15.tgz#0037dd3b1ffca17558ff2804f11643e3abf46d4e"
+  integrity sha512-cT/OdST4JkBS/4QKZt+IrDGiUd0GbxlqT5lVBKrwOQEqWKrnW1PAc4oV8XOyA5obbWZ43kSJYr/N6eozh2DFYQ==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
     marked "^4.0.17"
 
-"@jupyterlab/mathjax2-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/mathjax2-extension/-/mathjax2-extension-4.0.0-alpha.14.tgz#da4a09b07af67802973998f51e31088f6362b574"
-  integrity sha512-QO+KR4No5p6K3S8tT4C/WBhV/1hnJ2csn4vwCv8WJuaU+fQHNc/FXuVZfLD19T3FZuFClC/nbBkp515FDu99MA==
+"@jupyterlab/mathjax2-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/mathjax2-extension/-/mathjax2-extension-4.0.0-alpha.15.tgz#3dd3b23114894bf9d3ba45323d1937f3dca135d8"
+  integrity sha512-T8SaYkugNhrJXCthOub7aAMXVyHS88lP8w6U+hqUFfXOkK8IGPNPvRpcE76nHwbUpSqOUpfKzs0ANjnrVVwB2A==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/mathjax2" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/mathjax2" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
 
-"@jupyterlab/mathjax2@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/mathjax2/-/mathjax2-4.0.0-alpha.14.tgz#1bb48c787eb37b0a2af2966530107edf4d2aff28"
-  integrity sha512-YflGamcXvq2xODgVlnuCw0qlfhiVgwHnkRDo80DDr3Q8LWloKm1wbZTuN0cobDuEzqpt/nSaLaMSBibu1vuMXw==
+"@jupyterlab/mathjax2@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/mathjax2/-/mathjax2-4.0.0-alpha.15.tgz#e2dcb6d241ec040d25c1676d579a1c9328b60286"
+  integrity sha512-obBcVfvzjv6ARAnv/FSymlcYNzqlFpTd+X7visq+ZGxmYq9q8KQsFisTwjGo4a0gpXU6WIXWp4WC7ErK8bQPtA==
   dependencies:
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
 
-"@jupyterlab/nbformat@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/nbformat/-/nbformat-4.0.0-alpha.14.tgz#99965d71e42ee32727d9227180b7313b0d4c90a8"
-  integrity sha512-yeIeX9pEUQROIrgi4wNteg4bGmQ0dxu1ZwMkeXtsFe+3dla9bDtOm8A87f5u6C/33m7Cme/wPycqDjucO0zQxQ==
+"@jupyterlab/nbformat@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/nbformat/-/nbformat-4.0.0-alpha.15.tgz#ccec8e0c036c0a1bada1b9b36474f40c1b44c173"
+  integrity sha512-C+Y8dKwgYulUbPbtU5SYzuA6ffzDhNb6H4fj0Ndml7IdaqMx3lHqqZNKIGwskcZioXO6rer975eyEraeE8U7VA==
   dependencies:
     "@lumino/coreutils" "^2.0.0-alpha.6"
 
-"@jupyterlab/notebook-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/notebook-extension/-/notebook-extension-4.0.0-alpha.14.tgz#5e0697a1b6c259fb539216fc619f5c1eb64abec0"
-  integrity sha512-ZiEjJ7OY9mDvjSLSP1fb9Mr6MJdOzpSY98jiv6eT1R9Y3IyF9pqT8zj1QPl0o0Bz7ZrZzbhk+w/2aa1Ln+b5OA==
+"@jupyterlab/notebook-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/notebook-extension/-/notebook-extension-4.0.0-alpha.15.tgz#df4983db969f9248aaed1be229c81b9d3ed444b1"
+  integrity sha512-Ll+pehzfMA8zoALYkAHTdBChDSt2Ip1jhC7/8qpw+1YchPiXYivsaHDdxH0jzj1AHoaS1Mc0Tw2MaPAOzXnFeg==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/completer" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/docmanager-extension" "^4.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
-    "@jupyterlab/filebrowser" "^4.0.0-alpha.14"
-    "@jupyterlab/launcher" "^4.0.0-alpha.14"
-    "@jupyterlab/logconsole" "^4.0.0-alpha.14"
-    "@jupyterlab/lsp" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/property-inspector" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/toc" "^6.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/completer" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/docmanager-extension" "^4.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
+    "@jupyterlab/filebrowser" "^4.0.0-alpha.15"
+    "@jupyterlab/launcher" "^4.0.0-alpha.15"
+    "@jupyterlab/logconsole" "^4.0.0-alpha.15"
+    "@jupyterlab/lsp" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/property-inspector" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/toc" "^6.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2535,29 +2538,29 @@
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/notebook@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/notebook/-/notebook-4.0.0-alpha.14.tgz#cf424cdc6a6e3327e44df59f17db385c3389a791"
-  integrity sha512-wgxgifHadVPrcyEfIa2woDCeopfDhd2XOMnVAPr6FjC/Ms8PsTeqtF1G9jY9xH0XMhJ4uRXsxyebE2DiNkYcEw==
+"@jupyterlab/notebook@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/notebook/-/notebook-4.0.0-alpha.15.tgz#378a2e0020e781633e7c01bffd42e64f4b386590"
+  integrity sha512-9LK3nPs7xi9JNgBUzteGfHBRMBZn0YbYYzifh7BZn1LbN8Mb5TS6vKXOPkBF448lhilmUnVUSMKpUm18ZR8+sw==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/documentsearch" "^4.0.0-alpha.14"
-    "@jupyterlab/lsp" "^4.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/shared-models" "^4.0.0-alpha.14"
-    "@jupyterlab/statusbar" "^4.0.0-alpha.14"
-    "@jupyterlab/toc" "^6.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/documentsearch" "^4.0.0-alpha.15"
+    "@jupyterlab/lsp" "^4.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/shared-models" "^4.0.0-alpha.15"
+    "@jupyterlab/statusbar" "^4.0.0-alpha.15"
+    "@jupyterlab/toc" "^6.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/domutils" "^2.0.0-alpha.6"
@@ -2570,10 +2573,10 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/observables@^5.0.0-alpha.14":
-  version "5.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/observables/-/observables-5.0.0-alpha.14.tgz#3e831e54ccf4ae4897b7cbf34f4b95d5a04a7a5c"
-  integrity sha512-bOjNe2u9sExl8IOkTiD0ycKS5uxtiFvE3bg4otK8ZsCfu7skcVj8tYvciS7O3rFgM/JsPEiqcjfAEwxCVSNQxw==
+"@jupyterlab/observables@^5.0.0-alpha.15":
+  version "5.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/observables/-/observables-5.0.0-alpha.15.tgz#13f564a4881d2e8caed55787e0f85b79c3110998"
+  integrity sha512-PftwPVTPmIu5GKwhackMTGud+loSMuVIGqhKS07h+yvp8tWSSQRXucuyqDJ1OinxvltLV8IPn4hLvIci3NNTwA==
   dependencies:
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2581,18 +2584,18 @@
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
 
-"@jupyterlab/outputarea@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/outputarea/-/outputarea-4.0.0-alpha.14.tgz#49e51b9b50be7247d44d82f746301c907ce4cd78"
-  integrity sha512-M1sph1hfB0LICWRFVFW1mJx7TtxO5o9eJL7+1IznhPtTl+jvU8a8klcBQ+crJoFhFi+8Fe+W4zG0C7sVdriN/Q==
+"@jupyterlab/outputarea@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/outputarea/-/outputarea-4.0.0-alpha.15.tgz#ad5738ce34bd8d814a8472f047c960b5b4dd69be"
+  integrity sha512-t1M+hyuEtITyVCwkBp5/GTGNSWkx4SzjOJ8M/Npt1KYmgDfercbEKMwcaw3q7gk1UDIaGx32u8tdLKGVEA1zBw==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -2601,105 +2604,104 @@
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/pdf-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/pdf-extension/-/pdf-extension-4.0.0-alpha.14.tgz#f4775a157ffe532370b725cc7b7547ca4756d5ae"
-  integrity sha512-1aIpqVD8RujFm9AixU3SPqOJCMRl5or/H1VA928ms+qKF26kYH5SDNOiY5lKBVjI17AhEyS7EcLP7i2NXnWWfA==
+"@jupyterlab/pdf-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/pdf-extension/-/pdf-extension-4.0.0-alpha.15.tgz#8e6992f2e92137e7f357aa9f08c2fffd6f876341"
+  integrity sha512-FO7oSFjnaGlq1aQDkgcdqZUAA1+oqAXM/a0futBQDvIj+xg8TuB7dpbSpCAaItzFdR+IgeD2aGtstQQzTwnn8w==
   dependencies:
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/property-inspector@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/property-inspector/-/property-inspector-4.0.0-alpha.14.tgz#e336d88d9c6922327e94627db72b67925e1e9949"
-  integrity sha512-fHVMEYlwD77UP2vZ7/avp+bc6T04X+aJaNLndAMZCQcjTthjJ9PNdEt96YaeivGarf4GzXD9znbnBF4sHY67PA==
+"@jupyterlab/property-inspector@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/property-inspector/-/property-inspector-4.0.0-alpha.15.tgz#cec9b5bf31040e2a1f3abd5fa418637cbeeb58bc"
+  integrity sha512-zKhhdLbk5vneyyA2ojL+xeq2yjQRx3uHcceTZW/Og4Sz8BLo0nHZHK6OVbojDx4y0nJdAnxBUt//NjhZmxPJVA==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/rendermime-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime-extension/-/rendermime-extension-4.0.0-alpha.14.tgz#68c3c5771659ac8dc6bd35a6af8d371970e15f7e"
-  integrity sha512-wIdTDNt8IazOcgDmPT4onTYIdjsI74m5MyNXnzbEvQulYP5YkVG1r/EsvEuUusL4NYZ7JX2UK5mgAkZxLbjiUQ==
+"@jupyterlab/rendermime-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime-extension/-/rendermime-extension-4.0.0-alpha.15.tgz#311e3d3c3a7c75fbd2b41a0a9f3a0d627ea9add3"
+  integrity sha512-KVCKSGJhvezu0kRkf0Er3W8bJjhYhu5oHlUj+hI1+nxDw4ctT5wHMNdu7NLh6kBXDR628J5FiQcn4GtoYzybFw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/docmanager" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/docmanager" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/rendermime-interfaces@^3.8.0-alpha.14":
-  version "3.8.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime-interfaces/-/rendermime-interfaces-3.8.0-alpha.14.tgz#2362828d473ebe8f4acd0f03af0ba034caa3a121"
-  integrity sha512-697BbjnDqQTTHmWSjj+XZ9PPktOhBCx3M3EIwy1Tk9tk6m8Ow3sQ2LQMBQI9eS9+bswvUudGGMyyISlKDw9qDw==
+"@jupyterlab/rendermime-interfaces@^3.8.0-alpha.15":
+  version "3.8.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime-interfaces/-/rendermime-interfaces-3.8.0-alpha.15.tgz#ffe7248328ef60d5554c0a21a1e05f9c8990bbbf"
+  integrity sha512-YLeb3+xr+6/hvMcW8aWk6NQ3nwn61xs2CK5hFiBOtNf9JSxopDMrP9tnZ17RbjueHyhHNoiaPofamUP+lFyvDQ==
   dependencies:
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/rendermime@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime/-/rendermime-4.0.0-alpha.14.tgz#713b5fb48ba8f5efa58e09763d350840352e886b"
-  integrity sha512-uiWiJSqGzYg1tFxqSIBfo8qJwoqw7WqPCTkxprbi4gf2JmbEyeajv8My06gSrNLN/Jal4N86GUvmD8EMuWx9TA==
+"@jupyterlab/rendermime@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/rendermime/-/rendermime-4.0.0-alpha.15.tgz#8e9b4dd65bc89eb5e6ac4f027d1c9576cd8337d9"
+  integrity sha512-hY/dY4LzOLpyeUagg3Vd5fcBj4s5NVANqjnVCsjf5v47gb32/rVfyj1z8DHO1HAJmAs7vnrGuPvlVhiqiuyvdg==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
     lodash.escape "^4.0.1"
 
-"@jupyterlab/running-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/running-extension/-/running-extension-4.0.0-alpha.14.tgz#45258ccc8bd8d2be010d5e931f4b895e5ea5160a"
-  integrity sha512-5+jJCL4x0M8MVnUedaipuSCcM6JTPiL3NBDwn0YtnLMkIIY3YNTGOCISSQ8yjQJCSXF82nQl3WRb8bn6CPdegw==
+"@jupyterlab/running-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/running-extension/-/running-extension-4.0.0-alpha.15.tgz#d90f1d5470d2d33bd2c1ac999ca6a1b58c7a1fda"
+  integrity sha512-L1MjP1b58p4Gr7g2BLGWaCg+HtbTNr1EMrgrxRfT0mfoBU0vWfPncbGgiNplpKGs4txsS7lnmfyp6FNfcvuVtg==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/running" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/running" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/running@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/running/-/running-4.0.0-alpha.14.tgz#5894e400e2986ed23e914d269486935f846fd9c8"
-  integrity sha512-rm3MV5Eo9yUyqTxgTwkFXNGoxhp0kiek05zBwvrVqLrr4aapUfu9iAe2WEiSjNB/4w0kyMDewHZ0/n1+sHnrRA==
+"@jupyterlab/running@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/running/-/running-4.0.0-alpha.15.tgz#97d76b718976474d354471a32f8c66490ad04520"
+  integrity sha512-tKyFk6JKVz1qTK0Bf82NTYS0O3Ww4F6rJoGAeMJ6QBEJ2O0xIsb5tojo7mrTlmOZfsHbT5HPX/x8wEMCMm/3sA==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/services@^7.0.0-alpha.14":
-  version "7.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/services/-/services-7.0.0-alpha.14.tgz#7a745690ed0feaa277615bad98025385dcedb249"
-  integrity sha512-NA8CroNgMsjIlqZ+iBxbmu9Ir1Sb6aCU2Onf816x8g4vUQAAYVYJh1HlV6TCroDpBEgYE0y/58ojKumSeaC1/A==
+"@jupyterlab/services@^7.0.0-alpha.15":
+  version "7.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/services/-/services-7.0.0-alpha.15.tgz#6bbaef5e59eeb042bbc90e4fda191d80e466ad5c"
+  integrity sha512-TGGveemYg0d9RGhT0R3S+Zr9cAIcVMCP6KkeA4oq85TbEPQxo1pOMCbLqpPTc78k6UVoum8L05sAPCE7CXA9Sw==
   dependencies:
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/polling" "^2.0.0-alpha.6"
@@ -2707,12 +2709,12 @@
     node-fetch "^2.6.0"
     ws "^7.4.6"
 
-"@jupyterlab/settingregistry@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/settingregistry/-/settingregistry-4.0.0-alpha.14.tgz#f8f5b58d14626b914fd0d0790671169ddab42d09"
-  integrity sha512-q4Q46qgQ2eokqjAy62wQ9OrXFCKWAn9xyXyO3kNuHNQIYTSJ0HuIueQfWVcbezxgbZ9tHN+xyfO/6X/bQhpxzA==
+"@jupyterlab/settingregistry@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/settingregistry/-/settingregistry-4.0.0-alpha.15.tgz#5f163c008966368f0327cc9f4697cb96fe4b2be8"
+  integrity sha512-Sjd6yJYVlEuogpVzV+w1YqMBI2ZzkWtRXFCjuP5FprNkqXjoufhgM9x2a+gzUMQWjnlfjsMt/0y+E4gEx3fVXQ==
   dependencies:
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -2720,12 +2722,12 @@
     ajv "^6.12.3"
     json5 "^2.1.1"
 
-"@jupyterlab/shared-models@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/shared-models/-/shared-models-4.0.0-alpha.14.tgz#022e886c1cbaa8e8e4ba5b4a9f0d6af54c3b71ee"
-  integrity sha512-iMxIOfQRN3GYxo837xfuKEjinMkPtuz2FC+TukI/F+U7n+0tLfE2j+/6LiopiB5NJytQwyH3JAa8VeAar/CJZA==
+"@jupyterlab/shared-models@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/shared-models/-/shared-models-4.0.0-alpha.15.tgz#29f3e2a8b0d30011107239120410c4d41ddd8b45"
+  integrity sha512-1ArVBlGUPpW7jm4vvzG10OASi1DJuT111g3wEt4TCXHxpwW9sjQr6cmd4SAPUTh3UaQxf/uschej3L6CK7n0Tw==
   dependencies:
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
@@ -2733,15 +2735,15 @@
     y-protocols "^1.0.5"
     yjs "^13.5.40"
 
-"@jupyterlab/shortcuts-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/shortcuts-extension/-/shortcuts-extension-4.0.0-alpha.14.tgz#77b4233e4bcdfabc3699ba815142021f8c9b2725"
-  integrity sha512-mLkUvYJf7hIIDfQwB2Qe/TCP/QJf8jsg4nIwHfv5JHnBbfpHiwlAdoLyUPxrGzXtUr0DVWTLOYapPIVikNT29Q==
+"@jupyterlab/shortcuts-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/shortcuts-extension/-/shortcuts-extension-4.0.0-alpha.15.tgz#4026d328dac1afc211bd3383e466b3710797e61b"
+  integrity sha512-AKC2HAVxB0dDrEDfo3RpA7BToo6gv2/Eb01PrX13Qg2HPtZrqDc8D6LrEVCvRuveaAE8a1AW8znL9o6EqnYQXA==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2752,10 +2754,10 @@
     react "^17.0.1"
     typestyle "^2.0.4"
 
-"@jupyterlab/statedb@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/statedb/-/statedb-4.0.0-alpha.14.tgz#396381e6035a151d56f90800f7bbca0b07977406"
-  integrity sha512-cNr+vcc5YstRg6Gc4r3crHEMaiZvTFxfma+RUx1fshVXYdqUNrTYDV7xA/nHQUnNFXEs7tm4+5sWNJux5ORIGA==
+"@jupyterlab/statedb@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/statedb/-/statedb-4.0.0-alpha.15.tgz#f74bb5d6b8ae7323118a8c2c7b27ea33520d8fce"
+  integrity sha512-iTl/ynPvSy0eTKW0euEigOomDY+nfI+gDZNzjJLE/YTM1J5bxjQ+QmbrMLaoUJhdSpEtxTlCgsgALuO7WY1jTw==
   dependencies:
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2763,12 +2765,12 @@
     "@lumino/properties" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
 
-"@jupyterlab/statusbar@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/statusbar/-/statusbar-4.0.0-alpha.14.tgz#6c951eb8d52e17928885e1bcf09cf2232757b807"
-  integrity sha512-gXy949nd5NgyqqxZUJ+fVh7qTbatWz+7rCvyc0d4zc/kFbMTZEHiNbl/vZHd22FRta+ZboBcB/GeDkIJoYnZXA==
+"@jupyterlab/statusbar@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/statusbar/-/statusbar-4.0.0-alpha.15.tgz#8c8d0bf42a3797dd67b153d56926e33b32dde065"
+  integrity sha512-3VaPikq9WgtZBuFpy3WUkFZPm44Be+kQNw+g/eEQ12iHK3OzVD5AMxRwFESeygh20Oqnog6xFUJ1h+96odrd1Q==
   dependencies:
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
@@ -2779,31 +2781,31 @@
     react "^17.0.1"
     typestyle "^2.0.4"
 
-"@jupyterlab/terminal-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/terminal-extension/-/terminal-extension-4.0.0-alpha.14.tgz#f69b705c634f10f109bee550949ee5766e434188"
-  integrity sha512-KxRVu2Y64FmbTw5Eeumq8EJk7pyvTKcRSpZjBU07brl2SnhaCsjJzFrdgSqIOjim4I0JJ05Z37PAXY6Cxu4z0w==
+"@jupyterlab/terminal-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/terminal-extension/-/terminal-extension-4.0.0-alpha.15.tgz#b23a7f3ed07e066c30c5d7e995080231762f5f77"
+  integrity sha512-+qGPWEUDxcGQjE1V19fTThz/0Tom4rNc6ULjfgPFneXoOAUKa0ek07NU6Iemwbtca5Qzqgjj4z2NqMfwvWms3g==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/launcher" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/running" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/terminal" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/launcher" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/running" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/terminal" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/terminal@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/terminal/-/terminal-4.0.0-alpha.14.tgz#df3e40f9c999fe53cf96581238798c2c6a581b9b"
-  integrity sha512-Sw3cpVCzSEjoHb2W707Q9yu8yq9jvcwytqEXKOqT46+5W/ASCa3r9JOyYqx5hGEwQeyboBdkQvbyCoye3dU8sQ==
+"@jupyterlab/terminal@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/terminal/-/terminal-4.0.0-alpha.15.tgz#ff86e2cbba6716915154a0c1e9b7ae6ede91120e"
+  integrity sha512-ItEjLMjOYge9CkOrulqk1DwrOkJNpUjruu1na5GHcQ9sojyr0R5pWtla0I2tHd3rjXw8iiF+MFRk96+2I7vj7A==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/domutils" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
@@ -2811,21 +2813,21 @@
     xterm "~4.19.0"
     xterm-addon-fit "~0.5.0"
 
-"@jupyterlab/testutils@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/testutils/-/testutils-4.0.0-alpha.14.tgz#3d4cb919d68b7ddb1c0dc2da33ce6364dac23adc"
-  integrity sha512-wK7VrZ9pffQ1tLUQowUDyg2piI9FOQRgtY32FI/6qjk0/EkcbBBNEEukK7pW0ojCODNZQ9aMbj9fw5fNmCM5TA==
+"@jupyterlab/testutils@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/testutils/-/testutils-4.0.0-alpha.15.tgz#965c5866b4277bcca3272321401c0c75367be57d"
+  integrity sha512-j3a0KihRJvprbH9pHgeFUgUR4TtlrrQz26ZFIBwxBa0k0oHltDmq6CU5/HB16ZfO6urKLETjwJ2aj91QcYW0gA==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/cells" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/codemirror" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/nbformat" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/cells" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/codemirror" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/nbformat" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/properties" "^2.0.0-alpha.6"
     "@lumino/signaling" "^2.0.0-alpha.6"
@@ -2842,47 +2844,47 @@
     simulate-event "~1.4.0"
     ts-jest "^26.3.0"
 
-"@jupyterlab/theme-dark-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/theme-dark-extension/-/theme-dark-extension-4.0.0-alpha.14.tgz#f9ebbf8624c812f3f216d43587a04323fec94abc"
-  integrity sha512-ynrAfM8+Zn6FUw/Gc7UU+JqgC3zfe950rpy0TjWxTk2PBqrDUPZC4Ku5xwqDloyOm3TY/VF9vV4qiy3Rt7Vp6g==
+"@jupyterlab/theme-dark-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/theme-dark-extension/-/theme-dark-extension-4.0.0-alpha.15.tgz#1880e94386c18ded2f08b3e02094caa4912c1758"
+  integrity sha512-1HRmwxcXYhhjnf5zfTaKlnTWryJfZ5WKIcS+/P/80VuW1dvacFPZ8oFtcpwIbus/AbBeYUUGcp2+3OaGggrwMw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/theme-light-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/theme-light-extension/-/theme-light-extension-4.0.0-alpha.14.tgz#32090339ed111a41c49572ad80dd5ef3481b7b8f"
-  integrity sha512-VdLJQWosI0x6GY7+TvK587uPdSSduegiG7djCPQHtu6DF3eIaBtA6iRNFPozP9+aHNbY46c5ngfKdQeivy5ZMQ==
+"@jupyterlab/theme-light-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/theme-light-extension/-/theme-light-extension-4.0.0-alpha.15.tgz#4ac94dd129e0534afd1c668539b37104fbdf8804"
+  integrity sha512-Z8XRFCExSm24aA2zbkqfYEXPpiZtiGrs68H9B0I9Jpf/v21p92jvVpKl11MFeh09FAnavRz8gj8aMdbS5E59Hg==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/toc-extension@^6.0.0-alpha.14":
-  version "6.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/toc-extension/-/toc-extension-6.0.0-alpha.14.tgz#706e5c2f7abf72546592dea5f675c55dc257bcea"
-  integrity sha512-ilksYGjsXszgdhl9beZtFRmRJLm+ZN2lQ0WJDxsnRaNG+d6tRfiw8toAS111bbSmxyfRNBysdqNIbtNfbioFEg==
+"@jupyterlab/toc-extension@^6.0.0-alpha.15":
+  version "6.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/toc-extension/-/toc-extension-6.0.0-alpha.15.tgz#b692136b9222d3e8ea420b076b834431db49b870"
+  integrity sha512-5w5wq4SM/wsVm5ScgYQ2Jvnl8Dp+Wbu7j3q2kh1+j9rS9rMGxSZyvf4iUtAkZ3uqvePcblLGKDlVnX/dRFE7Yw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/toc" "^6.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/toc" "^6.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
 
-"@jupyterlab/toc@^6.0.0-alpha.14":
-  version "6.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/toc/-/toc-6.0.0-alpha.14.tgz#6fad008f8252cbdcd87921ade3c4f42fbfd46012"
-  integrity sha512-Icmm/4FAYurllXBTln7aZZl/9a/hAWFOSDOwF1vbq2NxX3xRE7Lr86SQiSqiNMwir+55UyO73jyHHr5hX5MVAA==
+"@jupyterlab/toc@^6.0.0-alpha.15":
+  version "6.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/toc/-/toc-6.0.0-alpha.15.tgz#333ea375d21624c23f4b73602718f087adf94dc6"
+  integrity sha512-BOTe1mvTEQ08Lf1VT0Hn0QKFJkw331etw7keSuHnYPjxdlXIni3cB87iAWYkw8Rb3Y7D0nJskOdIKkuKXYGAZw==
   dependencies:
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/docregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/docregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/disposable" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
@@ -2890,69 +2892,69 @@
     "@lumino/widgets" "^2.0.0-alpha.6"
     react "^17.0.1"
 
-"@jupyterlab/tooltip-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/tooltip-extension/-/tooltip-extension-4.0.0-alpha.14.tgz#966808829ccd0ab332a660bba8d99f955d6e35a8"
-  integrity sha512-LLHjuxwmu56BdFHAwDqoGZY2CD8F6ejjr9KNudbeSeHGwfZVrboZy491oDazkz2hlw6Td43DHFu4iPwE+4k66w==
+"@jupyterlab/tooltip-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/tooltip-extension/-/tooltip-extension-4.0.0-alpha.15.tgz#5bf2b8e47e2e7075504840f0dfaf258ea99f628c"
+  integrity sha512-dVztFjQbVIlrlp1p93eQkXn0LzBndrffey6+Uf2xuGhaEtqoeonw+1H9ivYgN/DzTQPoUEMVwNXHDkicDD7TLA==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/console" "^4.0.0-alpha.14"
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/fileeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/notebook" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/tooltip" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/console" "^4.0.0-alpha.15"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/fileeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/notebook" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/tooltip" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/tooltip@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/tooltip/-/tooltip-4.0.0-alpha.14.tgz#31f2b4c5ae348448d8f56d330086f89ac4d5bacb"
-  integrity sha512-BD45g4KXS7luQU3RVFdjWq/Lx8jBqUqrqiyjJlgmwfkM/ujsdOREjnUwPrCDvt21vhiEmfNg1ua5C39oo0M2gA==
+"@jupyterlab/tooltip@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/tooltip/-/tooltip-4.0.0-alpha.15.tgz#30e7f00766e5525be812741d5c97c89813bb2b4c"
+  integrity sha512-WPNUkuSxUXptnJ2zb+Ac7W+hQyUxoWFRH7Bs5If+bUHvieYPB1THqB/AzZeojj4SVcRsfEkcodVucAITAqsHmw==
   dependencies:
-    "@jupyterlab/codeeditor" "^4.0.0-alpha.14"
-    "@jupyterlab/rendermime" "^4.0.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/ui-components" "^4.0.0-alpha.29"
+    "@jupyterlab/codeeditor" "^4.0.0-alpha.15"
+    "@jupyterlab/rendermime" "^4.0.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/ui-components" "^4.0.0-alpha.30"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/messaging" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
 
-"@jupyterlab/translation-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/translation-extension/-/translation-extension-4.0.0-alpha.14.tgz#264f16fb993496db42031b3dba2b97d3bbb25022"
-  integrity sha512-Mn6BwT8xXWZzj/lyFdIlVA43OhUZTZJ8vOYhnN9B2n4F/PP/u9lT7ZFYXs2t9fV4Kbi/rxsJbgXjFs6c3KkceQ==
+"@jupyterlab/translation-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/translation-extension/-/translation-extension-4.0.0-alpha.15.tgz#11c529bd81a5d1d141a810811541e65892eb95d5"
+  integrity sha512-jXVNQa6pwwcrm31qo2322XIUO1DxhyEQNEkX0wQ5wEWzOqOWZ2gNNECMHN+32a3kvhApodTt5hGTwTiczdIDaw==
   dependencies:
-    "@jupyterlab/application" "^4.0.0-alpha.14"
-    "@jupyterlab/apputils" "^4.0.0-alpha.14"
-    "@jupyterlab/mainmenu" "^4.0.0-alpha.14"
-    "@jupyterlab/settingregistry" "^4.0.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/application" "^4.0.0-alpha.15"
+    "@jupyterlab/apputils" "^4.0.0-alpha.15"
+    "@jupyterlab/mainmenu" "^4.0.0-alpha.15"
+    "@jupyterlab/settingregistry" "^4.0.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
 
-"@jupyterlab/translation@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/translation/-/translation-4.0.0-alpha.14.tgz#4c2045dce00bc7903945d3bc54fd16209c904057"
-  integrity sha512-7x75+ri7qcao+byPqPpRr75xuJ/uwH9lnu52FsjUCQgaHQdZDzEBYbQJ6FNChrelRhreICKXL3bpA0S40vyXtQ==
+"@jupyterlab/translation@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/translation/-/translation-4.0.0-alpha.15.tgz#619d071140a1f9ab0c3d175edd299ab70d3dc01a"
+  integrity sha512-E7I6LWSBnZpmFxr4QmnmGaiqXjNIFLhslaJyjQXy9jVPS0YzwigIpF+Kz9oIuntiuKH+mYBHg4F9qcVUZALa8Q==
   dependencies:
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/services" "^7.0.0-alpha.14"
-    "@jupyterlab/statedb" "^4.0.0-alpha.14"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/services" "^7.0.0-alpha.15"
+    "@jupyterlab/statedb" "^4.0.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
 
-"@jupyterlab/ui-components@^4.0.0-alpha.29":
-  version "4.0.0-alpha.29"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/ui-components/-/ui-components-4.0.0-alpha.29.tgz#e48ba526febe5ca9fc247e75743166cde1e090f5"
-  integrity sha512-/Phksv/S1Aoh+IQJEnhK//jOH/SzZPtkFwmjf8xcl4yFZ9Zd0hUBUtgr7aHWgzen7mq6I/ZmCW0POfv9V5yfIQ==
+"@jupyterlab/ui-components@^4.0.0-alpha.30":
+  version "4.0.0-alpha.30"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/ui-components/-/ui-components-4.0.0-alpha.30.tgz#6de764759ac947366232ce232a80443317647bbc"
+  integrity sha512-Y5CKq/rV3Ai4o/TVAw9IezPrU8f1LZQaDE2AMocixJXvlo4ZuMHHHPdb63gUxvLYhid6tv9/r6ogQC92RIpQTA==
   dependencies:
-    "@jupyterlab/coreutils" "^6.0.0-alpha.14"
-    "@jupyterlab/observables" "^5.0.0-alpha.14"
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
-    "@jupyterlab/translation" "^4.0.0-alpha.14"
+    "@jupyterlab/coreutils" "^6.0.0-alpha.15"
+    "@jupyterlab/observables" "^5.0.0-alpha.15"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
+    "@jupyterlab/translation" "^4.0.0-alpha.15"
     "@lumino/algorithm" "^2.0.0-alpha.6"
     "@lumino/commands" "^2.0.0-alpha.6"
     "@lumino/coreutils" "^2.0.0-alpha.6"
@@ -2963,17 +2965,17 @@
     "@lumino/signaling" "^2.0.0-alpha.6"
     "@lumino/virtualdom" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
-    "@rjsf/core" "^3.1.0"
+    "@rjsf/core" "^4.2.0"
     react "^17.0.1"
     react-dom "^17.0.1"
     typestyle "^2.0.4"
 
-"@jupyterlab/vega5-extension@^4.0.0-alpha.14":
-  version "4.0.0-alpha.14"
-  resolved "https://registry.yarnpkg.com/@jupyterlab/vega5-extension/-/vega5-extension-4.0.0-alpha.14.tgz#902eca5152edb3fabd8a3802b12087d2a0564cf5"
-  integrity sha512-qUrxlZDbhJqAMvDoe4MUVN8WmxRUKDTntVTiT2We5b05MMyMqIHuwAPBoAXLigXbr0nJ369s52k+l4uPAUHJJA==
+"@jupyterlab/vega5-extension@^4.0.0-alpha.15":
+  version "4.0.0-alpha.15"
+  resolved "https://registry.yarnpkg.com/@jupyterlab/vega5-extension/-/vega5-extension-4.0.0-alpha.15.tgz#7d751679fcacc2197adcbca87d49edfa726e5bc3"
+  integrity sha512-BGIwznYvnyVGZ++L+qA50cx15JVYVKuVzMsp/q6hwgN1cnoNP53EhRJQJLzI8PPkKrGQ/ZB6JgkkR1lydOVIPQ==
   dependencies:
-    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.14"
+    "@jupyterlab/rendermime-interfaces" "^3.8.0-alpha.15"
     "@lumino/coreutils" "^2.0.0-alpha.6"
     "@lumino/widgets" "^2.0.0-alpha.6"
     vega "^5.20.0"
@@ -4208,10 +4210,10 @@
   resolved "https://registry.yarnpkg.com/@polka/url/-/url-1.0.0-next.21.tgz#5de5a2385a35309427f6011992b544514d559aa1"
   integrity sha512-a5Sab1C4/icpTZVzZc5Ghpz88yQtGOyNqYXcZgOssB2uuAr+wF/MvN6bgtW32q7HHrvBki+BsZ0OuNv6EV3K9g==
 
-"@rjsf/core@^3.1.0":
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/@rjsf/core/-/core-3.2.1.tgz#8a7b24c9a6f01f0ecb093fdfc777172c12b1b009"
-  integrity sha512-dk8ihvxFbcuIwU7G+HiJbFgwyIvaumPt5g5zfnuC26mwTUPlaDGFXKK2yITp8tJ3+hcwS5zEXtAN9wUkfuM4jA==
+"@rjsf/core@^4.2.0":
+  version "4.2.3"
+  resolved "https://registry.yarnpkg.com/@rjsf/core/-/core-4.2.3.tgz#7ff2fb593f0af20485dc267391a8971378eec655"
+  integrity sha512-dRXhd1Tac/9OcG0VDrYDF2boNTyKINEEITEtJ4L1Yce2iMVk66U52BhWKIFp/WXDM27vwnOfwQo4NwGiqeQeHw==
   dependencies:
     "@types/json-schema" "^7.0.7"
     ajv "^6.7.0"
@@ -4219,9 +4221,10 @@
     json-schema-merge-allof "^0.6.0"
     jsonpointer "^5.0.0"
     lodash "^4.17.15"
+    lodash-es "^4.17.15"
     nanoid "^3.1.23"
     prop-types "^15.7.2"
-    react-is "^16.9.0"
+    react-is "16.9.0"
 
 "@sindresorhus/is@^4.0.0":
   version "4.6.0"
@@ -9707,6 +9710,11 @@ lockfile@1.0.4:
   dependencies:
     signal-exit "^3.0.2"
 
+lodash-es@^4.17.15:
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash-es/-/lodash-es-4.17.21.tgz#43e626c46e6591b7750beb2b50117390c609e3ee"
+  integrity sha512-mKnC+QJ9pWVzv+C4/U3rRsHapFfHvQFoFB92e52xeyGMcX6/OlIl78je1u8vePzYZSkkogMPJ2yjxxsb89cxyw==
+
 lodash.curry@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/lodash.curry/-/lodash.curry-4.1.1.tgz#248e36072ede906501d75966200a86dab8b23170"
@@ -11489,7 +11497,12 @@ react-highlighter@^0.4.3:
     escape-string-regexp "^1.0.5"
     prop-types "^15.6.0"
 
-react-is@^16.13.1, react-is@^16.9.0:
+react-is@16.9.0:
+  version "16.9.0"
+  resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.9.0.tgz#21ca9561399aad0ff1a7701c01683e8ca981edcb"
+  integrity sha512-tJBzzzIgnnRfEm046qRcURvwQnZVXmuCbscxUO5RWrGTXpon2d4c8mI0D8WE6ydVIm29JiLB6+RslkIvym9Rjw==
+
+react-is@^16.13.1:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==