use fixed size bounding box for dragging

inspector/src/components/sceneExplorer/entities/sceneTreeItemComponent.tsx

@@ -206,6 +206,9 @@ export class SceneTreeItemComponent extends React.Component<ISceneTreeItemCompon
                     break;
                 case 4:
                     manager.boundingBoxGizmoEnabled = true;
+                    if(manager.gizmos.boundingBoxGizmo){
+                        manager.gizmos.boundingBoxGizmo.fixedDragMeshScreenSize = true
+                    }
                     break;
             }