Close [BS-3357](https://linear.app/affine-design/issue/BS-3357/duplicate-note-注意设置z轴的数据)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Duplicating an edgeless note now ensures the new note appears above other elements in the stacking order.
- **Tests**
- Added a test to verify that duplicated edgeless notes are rendered above existing elements.
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<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Introduced a new pointer graphics module with tools and quick tool integration for edgeless surfaces.
- Added a quick tool button for pointer interactions in edgeless mode.
- Exposed new extension points for pointer graphics and effects.
- **Improvements**
- Integrated pointer graphics as a dependency into related packages.
- Enhanced toolbar context to support additional surface alignment modes.
- Added conditional clipboard configuration registrations for edgeless contexts across multiple block types.
- **Removals**
- Removed legacy tool and effect definitions and related quick tool exports from edgeless components.
- Streamlined extension arrays and removed unused exports for a cleaner codebase.
- Deleted obsolete utility functions and component registrations.
- **Chores**
- Updated workspace and TypeScript project references to include the new pointer graphics module.
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<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Images and icons in bookmark cards are now loaded through an image proxy for improved reliability and consistency.
- Embed blocks for GitHub, Loom, and YouTube now display banner and creator images via an image proxy service for enhanced image loading.
- **Refactor**
- Simplified backend URL handling and proxy logic for images, resulting in more efficient processing and reduced complexity.
- Consolidated image proxy middleware and services into a shared adapter module for streamlined imports and improved maintainability.
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### What Changes
- Refactors the `notify` function call with undo button. It is called `notifyWithUndo`, which can associate the visibility of the `NotificationCard` with the top undo item in history stack, such as undo by shortcut `Cmd+Z`.
- change icon of the "Insert into page" button. Close [BS-3267](https://linear.app/affine-design/issue/BS-3267/frame和group的insert-into-page图标也更换一下)
### TL;DR
Refactored extension registration to follow a more modular approach by moving extensions to their respective block packages.
### What changed?
- Removed centralized registration of several extensions from `store.ts` in the main package
- Moved the following extensions to their respective block packages:
- `CodeMarkdownPreprocessorExtension` to the code block package
- `LatexMarkdownPreprocessorExtension` to the latex block package
- `EmbedIframeConfigExtensions` and `EmbedIframeService` to the embed block package
- `ImageStoreSpec` removed from central registration
- Cleaned up unused arrays and imports in the main store file
- Removed empty `defaultBlockPlainTextAdapterMatchers` array
### How to test?
1. Verify that markdown preprocessing for code and latex blocks still works correctly
2. Check that iframe embeds function properly
3. Ensure image handling continues to work as expected
4. Test import/export functionality for all affected block types
### Why make this change?
This change improves code organization by following a more modular architecture where each block package is responsible for registering its own extensions. This approach reduces coupling between packages, makes the codebase more maintainable, and follows the principle that extensions should be registered where they are defined.
