add auto clock synchronization setting after repeater login

Introduced a new setting for automatic clock synchronization after a successful repeater login.
Added localization support for the new feature in multiple languages (Bulgarian, German, English, Spanish, French, Hungarian, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Slovak, Slovenian, Swedish, Ukrainian, Chinese).
Implemented storage service methods to manage the new setting.
Updated the repeater settings screen to include a toggle for the new feature.
Enhanced the repeater login dialog to trigger clock synchronization automatically if the setting is enabled.

lib/l10n/app_localizations_bg.dart

@@ -2056,6 +2056,14 @@ class AppLocalizationsBg extends AppLocalizations {
   String get repeater_settingsSubtitle =>
       'Конфигурирайте параметрите на репитера';
 
+  @override
+  String get repeater_clockSyncAfterLogin =>
+      'Синхронизиране на часовника след влизане';
+
+  @override
+  String get repeater_clockSyncAfterLoginSubtitle =>
+      'Автоматично изпращайте съобщение \"синхронизиране на часовника\" след успешно влизане.';
+
   @override
   String get repeater_statusTitle => 'Статус на повтарянето';