Closes: BS-3202
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced new root block store and view extensions, enhancing modularity and integration options for root block functionality.
- Exported the EdgelessLocker class for broader usage.
- **Improvements**
- Updated export paths for root block modules, enabling clearer and more flexible module access.
- Enhanced view extension setup to better tailor user interface and interactions based on context.
- **Removals**
- Removed legacy migrating store and view extension logic, streamlining extension management and reducing unused code.
- Removed multiple deprecated block specifications and common extension collections to simplify the codebase.
- Deleted AI page root block specification, retaining only lifecycle watcher functionality.
- **Chores**
- Updated dependencies and project references to support new extension loader integration.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes: BS-3364
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new "Page Dragging Area" widget, enabling enhanced block selection and drag area detection within the user interface.
- Added utilities for more precise block selection based on rectangular selection areas.
- **Improvements**
- Integrated the new widget into the view extension system for consistent behavior across supported views.
- Enhanced clipboard handling with comprehensive adapter configurations for various data types.
- **Refactor**
- Streamlined widget registration and block selection logic for improved maintainability and modularity.
- Removed legacy widget exports and registrations to centralize widget management.
- **Chores**
- Updated workspace and TypeScript configurations to support the new widget module.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
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 -->
### What Changes
- fixed keyboard service can not be initialized since a anonymous `BSKeyboardWithActionService` class was provider to di
- fixed tool panel was not closed when focus on other pragraph by clicking
- optimized code structure of fallback `show` and `hide` of keyboard