Comment 4 for bug 1922195

Hallo all, just a quick comment to let you know that previous
review was not properly creating Ceph user.
The new review:
https://review.opendev.org/c/openstack/charm-ceph-proxy/+/784212
 now includes code that is actually working, as verified in my
environment. :-) Ceph user gets created, mds service on ceph-fs
stays alive.
Thanks!

Fulvio