In the migration process, we have stored the user-friendly filenames inside file metadata - it would help in multiple collections if we display these names instead of the raw file that was uploaded, see

this is display:

while under:
https://dev-cds-rdm.web.cern.ch/api/records/j8eej-mdg48/files

we have this nice description:

which would be better to use for display for UX reasons
This change should be applied only in CDS