fix(editor): should auto close dropdown menus on toolbar (#11522)

Closes: [BS-2524](https://linear.app/affine-design/issue/BS-2524/切换-block-后，刷新-toolbar-时，应该自动关闭已经打开的-dropdown)

blocksuite/affine/widgets/toolbar/src/utils.ts

@@ -1,4 +1,5 @@
 import {
+  type EditorMenuButton,
   type EditorToolbar,
   renderToolbarSeparator,
 } from '@blocksuite/affine-components/toolbar';
@@ -129,6 +130,10 @@ export function autoUpdatePosition(
       if (toolbar.dataset.open) {
         if (middlewareData.hide.referenceHidden) {
           delete toolbar.dataset.open;
+          // Closes dropdown menus
+          toolbar
+            .querySelector<EditorMenuButton>('editor-menu-button[data-open]')
+            ?.hide();
         }
       } else {
         toolbar.dataset.open = 'true';