fix: should pass std to AffineEditorContainer (#8678)

To fix [BS-1741](https://linear.app/affine-design/issue/BS-1741/toc-不显示了)

packages/frontend/core/src/components/blocksuite/block-suite-editor/blocksuite-editor-container.tsx

@@ -98,6 +98,9 @@ export const BlocksuiteEditorContainer = forwardRef<
       get origin() {
         return rootRef.current;
       },
+      get std() {
+        return mode === 'page' ? docRef.current?.std : edgelessRef.current?.std;
+      },
     };
 
     const proxy = new Proxy(api, {