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/screens/channels_screen.dart

@@ -127,7 +127,10 @@ class _ChannelsScreenState extends State<ChannelsScreen>
       canPop: allowBack,
       child: Scaffold(
         appBar: AppBar(
-          title: AppBarTitle(context.l10n.channels_title),
+          title: AppBarTitle(
+            context.l10n.channels_title,
+            indicators: false,
+          ),
           centerTitle: true,
           automaticallyImplyLeading: false,
           actions: [