* reorganize auth usage stats * usage stat privilege elevators * stat count of modified role * cfg related info * add authn anon client * kv store * ensure anon enabled is collected even if client is not registered * fix usage stats test
* reorganize auth usage stats * usage stat privilege elevators * stat count of modified role * cfg related info * add authn anon client * kv store * ensure anon enabled is collected even if client is not registered * fix usage stats test