Add back vtkPD/vtkUG::GetPointCells with unsigned short ref parameter

A previous commit changed one argument type of this old API. We add it
back beside its new replacement with vtkIdType reference so current
code bases can still compile with VTK 8.9.
Status Job ID Name Coverage
  External
passed cdash

passed ghostflow-branch-check-master

passed vtk@master-adora-linux-shared-release+cuda+gcc+mpi+optix+python2+tbb+vtkm

passed vtk@master-bigmac-osx-shared-debug+adios2+clang+python2+vtkm

passed vtk@master-dejagore-linux-shared-release+cuda+gcc+mpi+openmp+python2+vtkm

passed vtk@master-duma-linux-shared-release+osmesa+ospray

passed vtk@master-eeloo-linux-shared-release+adios2+extdeps+java+mpi+python3+qt+tbb+vtkm

passed vtk@master-eeloo-linux-shared-release+mpi+nogl

passed vtk@master-luigi-linux-shared-release+mpi+python2+tbb

passed vtk@master-mun-windows-shared-release+kits+mpi+python3+qt+tbb

passed vtk@master-mun-windows-shared-release+mpi+python3+tbb+vtkm

passed vtk@master-mun-windows-static-release+mpi+qt+tbb

passed vtk@master-taanab-linux-shared-release+mpi+python2

passed vtk@master-trey-osx-shared-release+python3+qt

passed vtk@master-adora-linux-shared-release+cuda+gcc+mpi+optix+python2+tbb+vtkm

passed vtk@master-adora-linux-shared-release+cuda+gcc+mpi+optix+python2+tbb+vtkm

00:16:24

passed vtk@master-adora-linux-shared-release+cuda+gcc+mpi+optix+python2+tbb+vtkm

passed vtk@master-adora-linux-shared-release+cuda+gcc+mpi+optix+python2+tbb+vtkm

passed vtk@master-bigmac-osx-shared-debug+adios2+clang+python2+vtkm

passed vtk@master-bigmac-osx-shared-debug+adios2+clang+python2+vtkm

00:13:19

passed vtk@master-bigmac-osx-shared-debug+adios2+clang+python2+vtkm

passed vtk@master-bigmac-osx-shared-debug+adios2+clang+python2+vtkm

passed vtk@master-dejagore-linux-shared-release+cuda+gcc+mpi+openmp+python2+vtkm

passed vtk@master-dejagore-linux-shared-release+cuda+gcc+mpi+openmp+python2+vtkm

passed vtk@master-dejagore-linux-shared-release+cuda+gcc+mpi+openmp+python2+vtkm

passed vtk@master-dejagore-linux-shared-release+cuda+gcc+mpi+openmp+python2+vtkm

00:42:15

passed vtk@master-duma-linux-shared-release+osmesa+ospray

passed vtk@master-duma-linux-shared-release+osmesa+ospray

passed vtk@master-duma-linux-shared-release+osmesa+ospray

00:24:53

passed vtk@master-duma-linux-shared-release+osmesa+ospray

passed vtk@master-eeloo-linux-shared-release+adios2+extdeps+java+mpi+python3+qt+tbb+vtkm

passed vtk@master-eeloo-linux-shared-release+adios2+extdeps+java+mpi+python3+qt+tbb+vtkm

00:54:01

passed vtk@master-eeloo-linux-shared-release+adios2+extdeps+java+mpi+python3+qt+tbb+vtkm

passed vtk@master-eeloo-linux-shared-release+adios2+extdeps+java+mpi+python3+qt+tbb+vtkm

passed vtk@master-eeloo-linux-shared-release+mpi+nogl

passed vtk@master-eeloo-linux-shared-release+mpi+nogl

passed vtk@master-eeloo-linux-shared-release+mpi+nogl

passed vtk@master-eeloo-linux-shared-release+mpi+nogl

00:20:01

passed vtk@master-luigi-linux-shared-release+mpi+python2+tbb

passed vtk@master-luigi-linux-shared-release+mpi+python2+tbb

passed vtk@master-luigi-linux-shared-release+mpi+python2+tbb

passed vtk@master-luigi-linux-shared-release+mpi+python2+tbb

00:22:31

passed vtk@master-mun-windows-shared-release+kits+mpi+python3+qt+tbb

00:15:57

passed vtk@master-mun-windows-shared-release+kits+mpi+python3+qt+tbb

passed vtk@master-mun-windows-shared-release+kits+mpi+python3+qt+tbb

passed vtk@master-mun-windows-shared-release+kits+mpi+python3+qt+tbb

passed vtk@master-mun-windows-shared-release+mpi+python3+tbb+vtkm

passed vtk@master-mun-windows-shared-release+mpi+python3+tbb+vtkm

passed vtk@master-mun-windows-shared-release+mpi+python3+tbb+vtkm

passed vtk@master-mun-windows-shared-release+mpi+python3+tbb+vtkm

00:15:33

passed vtk@master-mun-windows-static-release+mpi+qt+tbb

00:14:40

passed vtk@master-mun-windows-static-release+mpi+qt+tbb

passed vtk@master-mun-windows-static-release+mpi+qt+tbb

passed vtk@master-mun-windows-static-release+mpi+qt+tbb

passed vtk@master-taanab-linux-shared-release+mpi+python2

00:38:49

passed vtk@master-taanab-linux-shared-release+mpi+python2

passed vtk@master-taanab-linux-shared-release+mpi+python2

passed vtk@master-taanab-linux-shared-release+mpi+python2

passed vtk@master-trey-osx-shared-release+python3+qt

passed vtk@master-trey-osx-shared-release+python3+qt

passed vtk@master-trey-osx-shared-release+python3+qt

passed vtk@master-trey-osx-shared-release+python3+qt

00:24:06