feat(editor): brush and note gfx extension (#11927)

Closes: BS-3206
Closes: BS-3210

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

- **New Features**
  - Introduced new brush and note view extensions, enhancing integration and extensibility for brush and note tools.
  - Added store extension for brush tools, allowing for improved adapter integration.

- **Improvements**
  - Expanded module exports for brush and note graphics, making store and view functionalities more accessible.
  - Added new dependencies to support extension loading and improved project structure.

- **Refactor**
  - Updated extension arrays and toolbars to use the new view and store extensions for brush and note tools.
  - Removed legacy brush and note tools, effects, and toolbar extensions in favor of the new extension-based approach.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

blocksuite/affine/gfx/note/package.json

@@ -15,6 +15,7 @@
     "@blocksuite/affine-block-image": "workspace:*",
     "@blocksuite/affine-block-surface": "workspace:*",
     "@blocksuite/affine-components": "workspace:*",
+    "@blocksuite/affine-ext-loader": "workspace:*",
     "@blocksuite/affine-model": "workspace:*",
     "@blocksuite/affine-rich-text": "workspace:*",
     "@blocksuite/affine-shared": "workspace:*",
@@ -36,7 +37,8 @@
   },
   "exports": {
     ".": "./src/index.ts",
-    "./effects": "./src/effects.ts"
+    "./effects": "./src/effects.ts",
+    "./view": "./src/view.ts"
   },
   "files": [
     "src",