feat(editor): add frame title and mobile toolbar widget extension (#11996)

Closes: BS-3223
Closes: BS-3224

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

- **New Features**
  - Introduced new view extensions for frame title and keyboard toolbar widgets with conditional registration based on context and environment.
  - Enhanced widget integration by adding explicit exports for view components.

- **Chores**
  - Updated export paths and package dependencies to improve modularity and compatibility.
  - Removed deprecated widget dependencies and related imports from core packages.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/blocks/root/src/effects.ts

@@ -1,4 +1,3 @@
-import { effects as widgetMobileToolbarEffects } from '@blocksuite/affine-widget-keyboard-toolbar/effects';
 import { effects as widgetLinkedDocEffects } from '@blocksuite/affine-widget-linked-doc/effects';
 
 import { EdgelessAutoCompletePanel } from './edgeless/components/auto-complete/auto-complete-panel.js';
@@ -46,7 +45,6 @@ import {
 
 export function effects() {
   // Run other effects
-  widgetMobileToolbarEffects();
   widgetLinkedDocEffects();
 
   // Register components by category