Changes to allow aggregation of topologically regular grids

Addresses paraview/paraview#18303.
28 jobs for aggregate_regular_grid_filter
Status Job ID Name Coverage
  External
passed cdash

passed ghostflow-branch-check-master

passed ghostflow-commit-check

passed vtk@master-adora-linux-shared-release+gcc+mpi+python+qt+tbb+vtkm

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

failed vtk@master-dejagore-linux-shared-release+gcc+mpi+openmp+python+qt+vtkm

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

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

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

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

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

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

passed vtk@master-mun-windows-static-release+mpi+python+python3+qt+tbb

failed vtk@master-taanab-linux-shared-release+mpi+python

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

passed ghostflow-commit-check

passed vtk@master-adora-linux-shared-release+gcc+mpi+python+qt+tbb+vtkm

00:12:46

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

00:11:27

failed vtk@master-dejagore-linux-shared-release+gcc+mpi+openmp+python+qt+vtkm

00:16:05

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

00:06:24

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

00:19:12

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

00:01:30

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

00:16:47

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

00:23:29

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

00:24:50

passed vtk@master-mun-windows-static-release+mpi+python+python3+qt+tbb

00:30:05

failed vtk@master-taanab-linux-shared-release+mpi+python

00:07:18

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

00:17:17