mgr/status: Fix 'fs status' json output

Fix rank field of standby-replay mds daemon in 'ceph fs status'
json output. The rank field for standby-replay mds daemons
were incorrect. It should be of the format '{rank}-s',
where {rank} is the active mds which the standby-replay is
following.

Fixes: https://tracker.ceph.com/issues/67978
Signed-off-by: Kotresh HR <[email protected]>

Author: kotreshhr

src/pybind/mgr/status/module.py

@@ -161,7 +161,7 @@ def handle_fs_status(self,
 
                 if output_format in ('json', 'json-pretty'):
                     json_output['mdsmap'].append({
-                        'rank': rank,
+                        'rank': f"{daemon_info['rank']}-s",
                         'name': daemon_info['name'],
                         'state': 'standby-replay',
                         'events': events,