Fixes [BS-3161](https://linear.app/affine-design/issue/BS-3161/发现已连接的connector会响应对齐线)
Fixes [BS-3337](https://linear.app/affine-design/issue/BS-3337/connector你肿么了)
Fixes [BS-3334](https://linear.app/affine-design/issue/BS-3334/connector-不应该能够被拖拽)
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Bug Fixes**
- Corrected typos related to label editing state, ensuring more reliable label editing and display for connectors.
- Fixed logic in the auto-complete overlay, improving when overlays appear during hover actions.
- **New Features**
- Improved connector label handling by ensuring label state is preserved and restored during editing.
- Enhanced connector movement behavior, allowing connectors to be moved only when appropriate elements are selected.
- **Tests**
- Added end-to-end tests to verify connector movement and selection behaviors for improved reliability.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
### Change
- Rename `ElementTransformManager` -> `InteractivityManager`
- Now you can `event.on` and `action.onXXX` method to extend interactivity behaviour. The old approach of overriding methods directly is deprecated.