refactor(editor): improve implementation of lit adapter (#12101)

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

- **New Features**
  - Improved mobile experience by disabling certain toolbars and slash menu features on mobile devices.
  - Introduced new modular extension classes for editor and view customization, enabling more flexible configuration of themes, AI features, and editor enhancements.
  - Added clipboard adapter configurations for a wide range of data types, improving clipboard compatibility.
  - Added a new theme extension specifically for preview scenarios.
  - Provided new hooks for block scope management in document modules.

- **Refactor**
  - Streamlined editor extension setup, consolidating options and reducing complexity for better maintainability.
  - Reorganized mobile-specific extension exports for clearer usage.
  - Refined React-to-Lit rendering API by introducing a typed alias and updating related function signatures.
  - Simplified extension registration by splitting monolithic view extension into separate common and editor view extensions.

- **Bug Fixes**
  - Corrected naming inconsistencies in internal effect tracking.

- **Chores**
  - Updated type exports and documentation comments for improved clarity and consistency.
  - Removed unused or redundant exports and functions to clean up the codebase.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/blocks/code/src/view.ts

@@ -41,7 +41,6 @@ export class CodeBlockViewExtension extends ViewExtensionProvider {
       FlavourExtension('affine:code'),
       CodeBlockHighlighter,
       BlockViewExtension('affine:code', literal`affine-code`),
-      codeToolbarWidget,
       SlashMenuConfigExtension('affine:code', codeSlashMenuConfig),
       CodeKeymapExtension,
       ...getCodeClipboardExtensions(),
@@ -50,5 +49,8 @@ export class CodeBlockViewExtension extends ViewExtensionProvider {
       CodeBlockInlineManagerExtension,
       CodeBlockUnitSpecExtension,
     ]);
+    if (!this.isMobile(context.scope)) {
+      context.register(codeToolbarWidget);
+    }
   }
 }