mimetype: use ContentMimetypeRow in the storage interface instead of dicts.
This temporarily adds mess in the generic tests to support both rows and dicts, but I'll remove it once I migrated all endpoints.
Migrated from D4158 (view on Phabricator)
Staging instance, all changes can be removed at any time
This temporarily adds mess in the generic tests to support both rows and dicts, but I'll remove it once I migrated all endpoints.
Migrated from D4158 (view on Phabricator)