Fixed enabling non-existent action groups

src/ui/layout.ts

@@ -790,11 +790,13 @@ export class UI {
      * Enable a specific action.
      */
     public enable(action: EAction) {
+        if (action < EAction.MAX) {
             this._forEachComponent(action, (component) => {
                 component.setEnabled(true);
             });
             this._getGroup(action).execButton?.setEnabled(true);
         }
+    }
 
     /**
      * Enable all actions up to and including a specific action.