Fix LoadBalance, Relay load error

(cherry picked from commit 7acf9c6db3)

lib/fragments/proxies.dart

@@ -199,10 +199,15 @@ class ProxiesTabView extends StatelessWidget {
 
   _delayTest(List<Proxy> proxies) async {
     for (final proxy in proxies) {
+      final appController = globalState.appController;
+      final proxyName = appController.appState.getRealProxyName(proxy.name) ?? proxy.name;
       globalState.appController.setDelay(
-        Delay(name: proxy.name, value: 0),
+        Delay(
+          name: proxyName,
+          value: 0,
+        ),
       );
-      clashCore.getDelay(proxy.name).then((delay) {
+      clashCore.getDelay(proxyName).then((delay) {
         globalState.appController.setDelay(delay);
       });
     }

lib/models/app.dart

@@ -107,7 +107,7 @@ class AppState with ChangeNotifier {
     } else {
       final index = groups.indexWhere((element) => element.name == proxyName);
       if (index == -1) return type;
-      return "$type(${groups[index].now})";
+      return "$type(${groups[index].now ?? '*'})";
     }
   }
 

lib/models/generated/proxy.g.dart

@@ -28,6 +28,8 @@ const _$GroupTypeEnumMap = {
   GroupType.Selector: 'Selector',
   GroupType.URLTest: 'URLTest',
   GroupType.Fallback: 'Fallback',
+  GroupType.LoadBalance: 'LoadBalance',
+  GroupType.Relay: 'Relay',
 };
 
 _$ProxyImpl _$$ProxyImplFromJson(Map<String, dynamic> json) => _$ProxyImpl(