Fpo/649 set default policy for submission and preservation
https://issues.unige.ch/browse/DLCM-649
Need to validate this MR first : solidify/solidify-frontend!4 (merged)
It's normal to have a 404 error when I set as default a newly added sub resource (cf : https://issues.unige.ch/browse/DLCM-694).
Edited by Florent Poittevin