core (xmpp): send self-presence immediately after getting roster.

libervia/backend/core/xmpp.py

@@ -245,7 +245,7 @@ class SatXMPPEntity(core_types.SatXMPPEntity):
     def _create_sub_protocols(self):
         return
 
-    def entity_connected(self):
+    def entity_connected(self) -> defer.Deferred[None] | None:
         """Called once connection is done
 
         may return a Deferred, to perform initialisation tasks
@@ -1157,13 +1157,13 @@ class SatXMPPClient(SatXMPPEntity, core_types.SatXMPPClient, tx_xmpp_client.XMPP
         except exceptions.CancelError as e:
             log.warning(f"start_connection cancelled: {e}")
             return
-        entity = host.profiles[profile]
-        # we finally send our presence
-        entity.presence.available()
 
-    def entity_connected(self):
+    def entity_connected(self) -> defer.Deferred[None]:
         # we want to be sure that we got the roster
-        return self.roster.got_roster
+        got_roster_d = self.roster.got_roster
+        # then send our presence.
+        self.presence.available()
+        return got_roster_d
 
     def add_post_xml_callbacks(self, post_xml_treatments):
         post_xml_treatments.addCallback(self.messageProt.complete_attachments)