Revert "fix(space): vnode reuse problem caused by filtering out comment vnodes of slot (#5150)"

This reverts commit 597fd57c49.

CHANGELOG.en-US.md

@@ -32,8 +32,7 @@
 - Fix `n-tree`'s `TreeOption`'s `checkboxDisabled` prop doesn't work when `check-on-click` is `true`.
 - Fix rapid clicks on `n-date-input`'s buttons triggering a text select for the rest of the website.
 - Fix `n-auto-complete`'s autocomplete menu's unexpected open when clicking the clear icon with the input not focused, closes [#4658](https://github.com/tusen-ai/naive-ui/issues/4658).
-- Fix `n-input`'s `on-keyup` prop type, closes [#5101](https://github.com/tusen-ai/naive-ui/issues/5101).
-- Fix `n-space` vnode reuse problem caused by filtering out comment vnodes of slot, closes [#5136](https://github.com/tusen-ai/naive-ui/issues/5136).
+- Fix `n-input`'s `on-keyup` prop type, closes [#5101](https://github.com/tusen-ai/naive-ui/issues/5101)
 
 ### Features
 

CHANGELOG.zh-CN.md

@@ -33,7 +33,6 @@
 - 修复 `n-date-input` 的按钮快速点击时网站其余文本会被选中
 - 修复 `n-auto-complete` 在未聚焦状态下点击清除按钮时补全菜单意外打开的问题，关闭 [#4658](https://github.com/tusen-ai/naive-ui/issues/4658)
 - 修复 `n-input` 属性 `on-keyup` 类型，关闭 [#5101](https://github.com/tusen-ai/naive-ui/issues/5101)
-- 修复 `n-space` 插槽过滤了注释节点导致节点复用问题，关闭 [#5136](https://github.com/tusen-ai/naive-ui/issues/5136)
 
 ### Features
 

src/_utils/vue/flatten.ts

@@ -30,8 +30,7 @@ export function flatten (
         flatten(vNode.children, filterCommentNode, result)
       }
       // rawSlot
-    } else {
-      if (vNode.type === Comment && filterCommentNode) return
+    } else if (vNode.type !== Comment) {
       result.push(vNode)
     }
   })

src/space/src/Space.tsx

@@ -123,7 +123,7 @@ export default defineComponent({
       wrapItem,
       internalUseGap
     } = this
-    const children = flatten(getSlot(this), false)
+    const children = flatten(getSlot(this))
     if (!children.length) return null
     const horizontalMargin = `${margin.horizontal}px`
     const semiHorizontalMargin = `${margin.horizontal / 2}px`