Add android high refresh rate support

lib/bootstrap.dart

@@ -1,7 +1,9 @@
 import 'dart:async';
+import 'dart:io';
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_displaymode/flutter_displaymode.dart';
 import 'package:flutter_loggy/flutter_loggy.dart';
 import 'package:flutter_native_splash/flutter_native_splash.dart';
 import 'package:hiddify/core/analytics/analytics_controller.dart';
@@ -152,6 +154,15 @@ Future<void> lazyBootstrap(
     );
   }
 
+  if (Platform.isAndroid) {
+    await _safeInit(
+      "android display mode",
+      () async {
+        await FlutterDisplayMode.setHighRefreshRate();
+      },
+    );
+  }
+
   Logger.bootstrap.info("bootstrap took [${stopWatch.elapsedMilliseconds}ms]");
   stopWatch.stop();