mgr/dashboard: fix bucket replication disable

fixes: https://tracker.ceph.com/issues/72074

Signed-off-by: Naman Munet <[email protected]>

Author: Naman Munet

src/pybind/mgr/dashboard/controllers/rgw.py

@@ -689,7 +689,7 @@ def set(self, bucket, bucket_id, uid=None, versioning_state=None,
             self._set_policy(bucket_name, bucket_policy, daemon_name, uid)
         if canned_acl:
             self._set_acl(bucket_name, canned_acl, uid, daemon_name)
-        if replication:
+        if replication is not None:
             self._set_replication(bucket_name, replication, uid, daemon_name)
         if lifecycle and not lifecycle == '{}':
             self._set_lifecycle(bucket_name, lifecycle, daemon_name, uid)