fixup! feat(federation): support /make_join and /send_join for restricted rooms

collect iterator

src/api/server_server.rs

@@ -1578,12 +1578,13 @@ pub async fn create_join_event_template_route(
                     .unwrap_or(false)
             })
         {
-            let members = services()
+            let members: Vec<_> = services()
                 .rooms
                 .state_cache
                 .room_members(&body.room_id)
                 .filter_map(Result::ok)
-                .filter(|user| user.server_name() == services().globals.server_name());
+                .filter(|user| user.server_name() == services().globals.server_name())
+                .collect();
 
             let mut auth_user = None;