api/server: Ensure to return a 404 status code for not found object
When an ObjNotFoundError
is raised by an objstorage RPC endpoint
implementation, ensure that a 404 HTTP status code will be returned
for consistency.
Previously, a 400 HTTP status code was returned.
Depends on swh-core!330 (closed)
Migrated from D8228 (view on Phabricator)