feat(editor): update footnote node style and config (#10392)

[BS-2581](https://linear.app/affine-design/issue/BS-2581/优化-footnote-node-正文样式)

packages/frontend/core/src/modules/peek-view/view/ai-chat-block-peek-view/index.tsx

@@ -4,6 +4,7 @@ import type { AIChatBlockModel } from '@affine/core/blocksuite/ai/blocks/ai-chat
 import { createPageModePreviewSpecs } from '@affine/core/blocksuite/block-suite-editor/specs/preview';
 import { AINetworkSearchService } from '@affine/core/modules/ai-button/services/network-search';
 import type { EditorHost } from '@blocksuite/affine/block-std';
+import { FootNoteNodeConfigExtension } from '@blocksuite/affine/blocks';
 import { useFramework } from '@toeverything/infra';
 import { useMemo } from 'react';
 
@@ -12,6 +13,11 @@ export type AIChatBlockPeekViewProps = {
   host: EditorHost;
 };
 
+// Disable hover effect for footnote node in center peek preview mode
+const FOOTNOTE_CONFIG = FootNoteNodeConfigExtension({
+  disableHoverEffect: true,
+});
+
 export const AIChatBlockPeekView = ({
   model,
   host,
@@ -20,6 +26,7 @@ export const AIChatBlockPeekView = ({
   const searchService = framework.get(AINetworkSearchService);
   return useMemo(() => {
     const previewSpecBuilder = createPageModePreviewSpecs(framework);
+    previewSpecBuilder.extend([FOOTNOTE_CONFIG]);
     const networkSearchConfig = {
       visible: searchService.visible,
       enabled: searchService.enabled,