Incoming changes to the AMR data model of VTK

[mwestphal (Mathieu Westphal (Kitware))]

Follow up issues:

• https://gitlab.kitware.com/vtk/vtk/-/issues/19796
• https://gitlab.kitware.com/vtk/vtk/-/issues/19797
• https://gitlab.kitware.com/vtk/vtk/-/issues/19798
• https://gitlab.kitware.com/vtk/vtk/-/issues/19799
• https://gitlab.kitware.com/vtk/vtk/-/issues/19800