Title: folder_config/host_config: No longer accept non-existent site
Class: fix
Compatible: compat
Component: rest-api
Date: 1703232688
Edition: cre
Level: 1
Version: 2.2.0p19
You can no longer set a non-existent site on folders and hosts.
When called with a non-existent site as an attribute the
endpoints now return the status code 400.