feat(image): add rightClick event emitter

Author: gary-Shen

packages/image/src/core/Monitor.ts

@@ -278,6 +278,8 @@ export class Monitor {
       _hoveredGroup.emit(EInternalEvent.Select, e);
       this.selectedAnnotationId = _hoveredGroup.id;
     }
+
+    eventEmitter.emit('rightClick', e, _hoveredGroup?.id);
   };
 
   public setSelectedAnnotationId(id: string | null) {

packages/image/src/singletons/eventEmitter.ts

@@ -22,6 +22,7 @@ export type EventName =
   | 'mouseup'
   | 'dblclick'
   | 'error'
+  | 'rightClick'
   | 'contextmenu';
 
 const eventEmitter = new EventEmitter();