feat: dark tray icon in light theme

lib/features/system_tray/notifier/system_tray_notifier.dart

@@ -1,4 +1,6 @@
 import 'dart:io';
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
 
 import 'package:hiddify/core/localization/translations.dart';
 import 'package:hiddify/core/model/constants.dart';
@@ -123,7 +125,14 @@ class SystemTrayNotifier extends _$SystemTrayNotifier with AppLogger {
   }
 
   static String get _trayIconPath {
+    final Brightness brightness = WidgetsBinding.instance.platformDispatcher.platformBrightness;
+    bool isDarkMode = brightness == Brightness.dark;
+    if (isDarkMode) {
       if (Platform.isWindows) return Assets.images.trayIconIco;
       return Assets.images.trayIconPng.path;
+    } else {
+      if (Platform.isWindows) return Assets.images.trayIconDarkIco;
+      return Assets.images.trayIconDarkPng.path;
+    }
   }
 }

pubspec.yaml

@@ -113,6 +113,8 @@ flutter:
     - assets/images/logo.svg
     - assets/images/tray_icon.ico
     - assets/images/tray_icon.png
+    - assets/images/tray_icon_dark.ico
+    - assets/images/tray_icon_dark.png
     - assets/images/tray_icon_connected.ico
     - assets/images/tray_icon_disconnected.ico
     - assets/images/connect_norouz.PNG