feat(editor): add experimental feature citation (#11984)

Closes: [BS-3122](https://linear.app/affine-design/issue/BS-3122/footnote-definition-adapter-适配)
Closes: [BS-3123](https://linear.app/affine-design/issue/BS-3123/几个-block-card-view-适配-footnote-态)

<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit

- **New Features**
  - Introduced a new citation card component and web element for displaying citations.
  - Added support for citation-style rendering in attachment, bookmark, and linked document blocks.
  - Enabled citation parsing from footnote definitions in markdown for attachments, bookmarks, and linked docs.
  - Added a feature flag to enable or disable citation features.
  - Provided new toolbar logic to disable downloads for citation-style attachments.

- **Improvements**
  - Updated block models and properties to support citation identifiers.
  - Added localization and settings for the citation experimental feature.
  - Enhanced markdown adapters to recognize and process citation footnotes.
  - Included new constants and styles for citation card display.

- **Bug Fixes**
  - Ensured readonly state is respected in block interactions and rendering for citation blocks.

- **Documentation**
  - Added exports and effects for new citation components and features.

- **Tests**
  - Updated snapshots to include citation-related properties in block data.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/blocks/bookmark/src/components/bookmark-card.ts

@@ -5,11 +5,7 @@ import { ThemeProvider } from '@blocksuite/affine-shared/services';
 import { getHostName } from '@blocksuite/affine-shared/utils';
 import { SignalWatcher, WithDisposable } from '@blocksuite/global/lit';
 import { OpenInNewIcon } from '@blocksuite/icons/lit';
-import {
-  BlockSelection,
-  isGfxBlockComponent,
-  ShadowlessElement,
-} from '@blocksuite/std';
+import { isGfxBlockComponent, ShadowlessElement } from '@blocksuite/std';
 import { html } from 'lit';
 import { property } from 'lit/decorators.js';
 import { classMap } from 'lit/directives/class-map.js';
@@ -27,7 +23,7 @@ export class BookmarkCard extends SignalWatcher(
     const model = this.bookmark.model;
 
     if (model.parent?.flavour !== 'affine:surface') {
-      this._selectBlock();
+      this.bookmark.selectBlock();
     }
   }
 
@@ -36,14 +32,6 @@ export class BookmarkCard extends SignalWatcher(
     this.bookmark.open();
   }
 
-  private _selectBlock() {
-    const selectionManager = this.bookmark.host.selection;
-    const blockSelection = selectionManager.create(BlockSelection, {
-      blockId: this.bookmark.blockId,
-    });
-    selectionManager.setGroup('note', [blockSelection]);
-  }
-
   override connectedCallback(): void {
     super.connectedCallback();