fix: ip flag

lib/features/proxy/active/ip_widget.dart

@@ -131,7 +131,9 @@ class IPCountryFlag extends HookConsumerWidget {
         width: size,
         height: size,
         padding: const EdgeInsets.all(2),
-        child: Center(child: CircleFlag(countryCode)),
+        child: Center(
+          child: CircleFlag(countryCode == "ir" ? "ir-shir" : countryCode),
+        ),
       ),
     );
   }

lib/utils/text_utils.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:hiddify/gen/fonts.gen.dart';
 import 'package:intl/intl.dart' as intl;
-import 'dart:io';
 
 extension TextAlignX on BuildContext {
   bool get isRtl => Directionality.of(this) == TextDirection.rtl;