fix: block should not be selectable when dragged into note (#10664)

### Changed
- Fixed the issue that block can still be selected when dragged into note
- Rewrite grid and layer with extension infra

blocksuite/framework/block-std/src/scope/block-std-scope.ts

@@ -12,6 +12,7 @@ import { UIEventDispatcher } from '../event/index.js';
 import { DndController } from '../extension/dnd/index.js';
 import { EditorLifeCycleExtension } from '../extension/editor-life-cycle.js';
 import { GfxController } from '../gfx/controller.js';
+import { GridManager, LayerManager } from '../gfx/index.js';
 import { GfxSelectionManager } from '../gfx/selection.js';
 import { SurfaceMiddlewareExtension } from '../gfx/surface-middleware.js';
 import { ViewManager } from '../gfx/view/view-manager.js';
@@ -39,6 +40,8 @@ const internalExtensions = [
   Clipboard,
   GfxController,
   GfxSelectionManager,
+  GridManager,
+  LayerManager,
   SurfaceMiddlewareExtension,
   ViewManager,
   DndController,