fix: missing field origin error with synapse servers

src/api/server_server.rs

@@ -1470,7 +1470,6 @@ async fn create_join_event(
             .filter_map(|(_, id)| services().rooms.timeline.get_pdu_json(id).ok().flatten())
             .map(PduEvent::convert_to_outgoing_federation_event)
             .collect(),
-        origin: services().globals.server_name().to_string(),
     })
 }