refactor(editor): extract widgets (#12304)

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

- **New Features**
  - Introduced two new widgets: Edgeless Dragging Area and Note Slicer, now available for use.
  - Added extension support for these widgets, enabling enhanced interaction and integration within the application.

- **Chores**
  - Updated package configurations and workspace settings to include the new widgets and their dependencies.
  - Added project references and configuration files to support modular development and build processes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/all/tsconfig.json

@@ -55,12 +55,14 @@
     { "path": "../shared" },
     { "path": "../widgets/drag-handle" },
     { "path": "../widgets/edgeless-auto-connect" },
+    { "path": "../widgets/edgeless-dragging-area" },
     { "path": "../widgets/edgeless-selected-rect" },
     { "path": "../widgets/edgeless-toolbar" },
     { "path": "../widgets/edgeless-zoom-toolbar" },
     { "path": "../widgets/frame-title" },
     { "path": "../widgets/keyboard-toolbar" },
     { "path": "../widgets/linked-doc" },
+    { "path": "../widgets/note-slicer" },
     { "path": "../widgets/page-dragging-area" },
     { "path": "../widgets/remote-selection" },
     { "path": "../widgets/scroll-anchoring" },