new: add support for flag emoji in proxy names

lib/features/proxy/widget/proxy_tile.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
+import 'package:hiddify/gen/fonts.gen.dart';
 import 'package:hiddify/features/proxy/model/proxy_entity.dart';
 import 'package:hiddify/utils/custom_loggers.dart';
+import 'package:hiddify/utils/text_utils.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 
 class ProxyTile extends HookConsumerWidget with PresLogger {
@@ -24,6 +26,7 @@ class ProxyTile extends HookConsumerWidget with PresLogger {
       title: Text(
         proxy.name,
         overflow: TextOverflow.ellipsis,
+        style: TextStyle(fontFamily: getEmojiFont4Desktop()),
       ),
       leading: Padding(
         padding: const EdgeInsets.symmetric(vertical: 8),