Merge topic 'conform-converge-cdf-assembly-h5'

e823284e vtkCONVERGECFDCGNSReader: Conform to assembly format like vtkCONVERGECFDReader

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Reviewed-by: Tiffany Chhim <tiffany.chhim@kitware.com>
Merge-request: !10513