Ensure reordering of the volume in GenericHDF5Format
Ensure reordering of the volume in GenericHDF5Format

In the case of simple HDF5 files the reorder was not being called, this
can be missed with square volumes. Fixes #2121, thanks to Patrick Avery
for pointing out the lines where this was happenings.

Signed-off-by: Marcus D. Hanwell <09f3a87217880bd167b70879e4c1906a3ba98bd2@bnl.gov>

OpenChemistry/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz