feat: add inpaint region functionality and related tools

- Enhanced cursor behavior for new tools: semantic select, mask lasso, and mask rectangle.
- Updated mask edit state to include mask asset ID and kind.
- Implemented inpaint region commands for adding, applying, and removing inpaint regions.
- Introduced new operations for lasso and semantic selection tools.
- Created UI components for candidate review and inpaint region management.
- Added tests for inpaint region commands to ensure functionality.
- Updated various components to support new inpaint features and improve user experience.

view/canvas/cursor.ts

@@ -8,6 +8,6 @@ export function canvasCursorClass(interactionMode: InteractionMode, isPanning: b
     if (!canBrush) return "cursor-not-allowed";
     return hasBrushPreview ? "cursor-none" : "cursor-crosshair";
   }
-  if (interactionMode.type === "tool" && interactionMode.tool === "magicWand") return "cursor-crosshair";
+  if (interactionMode.type === "tool" && (interactionMode.tool === "magicWand" || interactionMode.tool === "semanticSelect" || interactionMode.tool === "maskLasso" || interactionMode.tool === "maskRectangle")) return "cursor-crosshair";
   return "cursor-default";
 }