plugin XEP-215: Use bare JID instead of raising an exception on full jid.

libervia/backend/plugins/plugin_xep_0215.py

@@ -172,9 +172,7 @@ class XEP_0215:
         """
         if entity is None:
             entity = client.server_jid
-
-        if entity.resource:
-            raise exceptions.DataError("A bare jid was expected for target entity")
+        entity = entity.userhostJID()
 
         try:
             cached_services = client._xep_0215_services[entity]