- Move TransformPane tests from .test.ts to .spec.ts format
- Relocate useWidgetValue tests to tests-ui directory
- Move QuadTree tests to tests-ui/tests/utils/spatial directory
- Add comprehensive tests for new composables:
- useCanvasTransformSync tests
- useTransformSettling tests
- Update test imports and paths
Tests now follow consistent organization patterns and cover the
refactored transform sync functionality.
