Add room_version argument and reorg convert_outgoing_federation_event.

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/server/event.rs

@@ -41,8 +41,8 @@ pub(crate) async fn get_event_route(
 		origin: services.globals.server_name().to_owned(),
 		origin_server_ts: MilliSecondsSinceUnixEpoch::now(),
 		pdu: services
-			.sending
-			.convert_to_outgoing_federation_event(event)
+			.federation
+			.format_pdu_into(event, None)
 			.await,
 	})
 }