selectionChange fix (#3623)

Author: trueadm

packages/lexical/src/LexicalUpdates.ts

@@ -21,7 +21,7 @@ import type {LexicalNode, SerializedLexicalNode} from './LexicalNode';
 
 import invariant from 'shared/invariant';
 
-import {$isElementNode, $isTextNode} from '.';
+import {$isElementNode, $isTextNode, SELECTION_CHANGE_COMMAND} from '.';
 import {FULL_RECONCILE, NO_DIRTY_NODES} from './LexicalConstants';
 import {resetEditor} from './LexicalEditor';
 import {
@@ -596,7 +596,13 @@ export function commitPendingUpdates(editor: LexicalEditor): void {
       dirtyLeaves,
     );
   }
-
+  if (
+    !$isRangeSelection(pendingSelection) &&
+    pendingSelection !== null &&
+    (currentSelection === null || !currentSelection.is(pendingSelection))
+  ) {
+    editor.dispatchCommand(SELECTION_CHANGE_COMMAND, undefined);
+  }
   /**
    * Capture pendingDecorators after garbage collecting detached decorators
    */