message: viz: call "mapper->Update()" before and after SetInputData()
diff: @@ -301,6 +301,7 @@ void cv::viz::Widget3D::applyTransform(const Affine3d &transform)
  vtkSmartPointer<vtkPolyDataMapper> mapper = vtkPolyDataMapper::SafeDownCast(actor->GetMapper());
  CV_Assert("Widget doesn't have a polydata mapper" && mapper);
  + mapper->Update(); // #10945
  VtkUtils::SetInputData(mapper, VtkUtils::TransformPolydata(mapper->GetInput(), transform));
  mapper->Update();
  }
  