feat(editor): block comment extension (#12980)

#### PR Dependency Tree


* **PR #12980** 👈

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blocksuite/affine/blocks/image/src/configs/toolbar.ts

@@ -1,6 +1,7 @@
 import { ImageBlockModel } from '@blocksuite/affine-model';
 import {
   ActionPlacement,
+  blockCommentToolbarButton,
   type ToolbarModuleConfig,
   ToolbarModuleExtension,
 } from '@blocksuite/affine-shared/services';
@@ -49,6 +50,10 @@ const builtinToolbarConfig = {
         });
       },
     },
+    {
+      id: 'c.comment',
+      ...blockCommentToolbarButton,
+    },
     {
       placement: ActionPlacement.More,
       id: 'a.clipboard',
@@ -141,6 +146,10 @@ const builtinSurfaceToolbarConfig = {
         });
       },
     },
+    {
+      id: 'c.comment',
+      ...blockCommentToolbarButton,
+    },
   ],
 
   when: ctx => ctx.getSurfaceModelsByType(ImageBlockModel).length === 1,