vtkRedistributeDataSet: add option for load balancing
requested to merge utkarsh.ayachit/paraview:20437-redistributedatasetfilter-load-balancing into master
vtkRedistributeDataSet allows use to determine if load balancing should be done across all blocks or separately for each block (like D3).
Fixes #20437 (closed)
Closes #20437 (closed)