Use region-alised dump files for text dumps, too
Use region-alised dump files for text dumps, too

Also fixes the spurious "-" at the end of file names, while we're at it.

SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC,SKA-ScienceDataProcessor/RC