Closes: BS-3221
Closes: BS-3222
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced extensions that conditionally register edgeless auto-connect and toolbar widgets with associated effects based on the view context.
- Added new exports for edgeless auto-connect and toolbar widget views, making them available for external use.
- **Chores**
- Updated dependencies and project references to include the extension loader for improved module integration.
- Refined workspace configuration to reflect new package dependencies.
- **Refactor**
- Streamlined registration and effect logic by removing legacy integration points for edgeless auto-connect and toolbar widgets.
- Reorganized widget export paths to a more modular directory structure.
- **Bug Fixes**
- Disabled pointer events on the edgeless navigator black background to prevent interaction interference.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->