VTK-2688 - choose right button also when saving with lanczos downscaling
VTK-2688 - choose right button also when saving with lanczos downscaling

vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk,vtkio/vtk