feat(editor): drag handle widget extension (#11962)

Closes: BS-3220

blocksuite/affine/all/src/extensions/effects.ts

@@ -29,7 +29,6 @@ import { effects as fragmentDocTitleEffects } from '@blocksuite/affine-fragment-
 import { effects as fragmentFramePanelEffects } from '@blocksuite/affine-fragment-frame-panel/effects';
 import { effects as fragmentOutlineEffects } from '@blocksuite/affine-fragment-outline/effects';
 import { effects as richTextEffects } from '@blocksuite/affine-rich-text/effects';
-import { effects as widgetDragHandleEffects } from '@blocksuite/affine-widget-drag-handle/effects';
 import { effects as widgetEdgelessAutoConnectEffects } from '@blocksuite/affine-widget-edgeless-auto-connect/effects';
 import { effects as widgetFrameTitleEffects } from '@blocksuite/affine-widget-frame-title/effects';
 import { effects as widgetRemoteSelectionEffects } from '@blocksuite/affine-widget-remote-selection/effects';
@@ -71,7 +70,6 @@ export function effects() {
   widgetScrollAnchoringEffects();
   widgetFrameTitleEffects();
   widgetRemoteSelectionEffects();
-  widgetDragHandleEffects();
   widgetEdgelessAutoConnectEffects();
   widgetSlashMenuEffects();
   widgetToolbarEffects();

blocksuite/affine/all/src/extensions/view.ts

@@ -30,6 +30,7 @@ import { LinkViewExtension } from '@blocksuite/affine-inline-link/view';
 import { MentionViewExtension } from '@blocksuite/affine-inline-mention/view';
 import { InlinePresetViewExtension } from '@blocksuite/affine-inline-preset/view';
 import { ReferenceViewExtension } from '@blocksuite/affine-inline-reference/view';
+import { DragHandleViewExtension } from '@blocksuite/affine-widget-drag-handle/view';
 
 import { MigratingViewExtension } from './migrating-view';
 
@@ -73,6 +74,9 @@ export function getInternalViewExtensions() {
     MentionViewExtension,
     InlinePresetViewExtension,
 
+    // Widget
+    DragHandleViewExtension,
+
     MigratingViewExtension,
   ];
 }

blocksuite/affine/all/src/widgets/drag-handle/view.ts

@@ -0,0 +1 @@
+export * from '@blocksuite/affine-widget-drag-handle/view';