Use resolvable vehicles in campaign mode instead of raw cube data

rc_core/src/persist/settings.rs

@@ -114,7 +114,7 @@ fn default_server_conf() -> ServerSettings {
     ServerSettings {
         database: default_db_conn(),
         auto_signup: false,
-        queue_mode: QueueMode::Notify,
+        queue_mode: QueueMode::Upgrade,
         cdn_url: default_cdn_root_url(),
         auth_url: default_auth_root_url(),
         intercom_url: default_intercom_root_url(),