Add radio statistics and localization updates

- Implemented radio statistics features in multiple screens including chat, channels, and settings.
- Added localization for new strings in Swedish, Ukrainian, and Chinese.
- Introduced a setting to jump to the oldest unread message in chat and channels.
- Enhanced path management and display for contacts and messages.
- Updated app settings to include new boolean for jumping to the oldest unread message.
- Improved battery indicator and radio stats display in the app bar.
- Removed unused wakelock_plus dependency and updated plugin registrations.

lib/services/app_settings_service.dart

@@ -218,4 +218,8 @@ class AppSettingsService extends ChangeNotifier {
   Future<void> setTcpServerPort(int value) async {
     await updateSettings(_settings.copyWith(tcpServerPort: value));
   }
+
+  Future<void> setJumpToOldestUnread(bool value) async {
+    await updateSettings(_settings.copyWith(jumpToOldestUnread: value));
+  }
 }