feat: enhance layer mask handling and opacity management

- Introduced `getLayerMask` utility to streamline layer mask retrieval.
- Updated layer rendering logic to incorporate layer masks and opacity adjustments.
- Added functionality to prevent dropping a group into its descendants.
- Enhanced image texture rendering to support opacity parameters across various rendering functions.
- Implemented group layer bounds application for better scaling and positioning.
- Added tests to ensure correct behavior when handling layer masks and group layers.
- Created new types for asset generation provenance to track generated assets more effectively.

view/canvas/renderFrame.test.ts

@@ -177,6 +177,7 @@ const visualEditorChanges: Array<[string, (state: AppState) => AppState]> = [
             },
           ],
           selectedCandidateId: "candidate",
+          compareMode: "result",
         },
       },
     }),