hdf5 geoms datetime unsorted
https://gitlab.eudat.eu/benedikt.loew/proffastpylot/-/blob/hdf5_dev/prfpylot/geoms_gen/writer.py#L1731 assumes sorted datetimes, but glob.glob() in https://gitlab.eudat.eu/benedikt.loew/proffastpylot/-/blob/hdf5_dev/prfpylot/geoms_gen/helper.py#L328 does not guarantee that