Close [BS-3351](https://linear.app/affine-design/issue/BS-3351/无法通过拖拽frame-title来拖拽frame)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Improved rendering performance and consistency for widgets within frames.
- Frame titles are now directly associated with individual frames and are draggable.
- **Bug Fixes**
- Selection logic for frames has been refined to better handle locked states and title area interactions.
- **Refactor**
- Frame title widget and related components have been simplified for clarity and maintainability.
- Removed dynamic positioning and click toggling from frame titles for a cleaner interaction model.
- **Tests**
- Added a test to verify that frame titles are draggable.
- Temporarily disabled tests related to frame title stacking and selection due to ongoing changes.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Fixes [BS-3528](https://linear.app/affine-design/issue/BS-3528)
Fixes [BS-3331](https://linear.app/affine-design/issue/BS-3331/frame-移动逻辑很奇怪)
### Changed
- Remove `onSelected` method from gfx view, use `handleSelection` provided by `GfxViewInteraction` instead.
- Add `selectable` to allow model to filter out itself from selection.
- Frame can be selected by body only if it's locked or its background is not transparent.
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **New Features**
- Enhanced selection behavior for frames, edgeless text, notes, and mind map elements with refined control based on lock state and background transparency.
- Introduced group-aware selection logic promoting selection of appropriate group ancestors.
- Added support for element selection events in interactivity extensions.
- **Bug Fixes**
- Resolved frame selection issues by enabling selection via title clicks and restricting body selection to locked frames or those with non-transparent backgrounds.
- **Documentation**
- Added clarifying comments for group retrieval methods.
- **Tests**
- Updated and added end-to-end tests for frame and lock selection reflecting new selection conditions.
- **Refactor**
- Unified and simplified selection handling by moving logic from component methods to interaction handlers and removing deprecated selection methods.
- Streamlined selection candidate processing with extension-driven target suggestion.
- Removed legacy group element retrieval and selection helper methods to simplify interaction logic.
- **Style**
- Renamed types and improved type signatures for selection context and interaction configurations.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
L-Sun