feat: Add dialog messages for companion connection and disconnection

- Introduced new dialog messages for connecting to a companion and handling disconnection across multiple languages.
- Updated localization files for French, Hungarian, Italian, Japanese, Korean, Bulgarian, German, English, Spanish, Dutch, Polish, Portuguese, Russian, Slovak, Slovenian, Swedish, Ukrainian, and Chinese.
- Modified the contacts and map screens to utilize the new dialog messages.
- Enhanced the disconnect confirmation dialog to show a message upon successful disconnection.
- Updated app bar to conditionally display radio stats based on companion connection status.

lib/l10n/app_localizations_it.dart

@@ -1976,6 +1976,17 @@ class AppLocalizationsIt extends AppLocalizations {
   String get dialog_disconnectConfirm =>
       'Sei sicuro di voler disconnetterti da questo dispositivo?';
 
+  @override
+  String get dialog_disconnectedTitle => 'Disconnesso';
+
+  @override
+  String get dialog_disconnectedMessage =>
+      'Sei stato disconnesso dal tuo compagno.';
+
+  @override
+  String get dialog_connectCompanion =>
+      'Connettiti a un dispositivo companion per accedere alle funzionalità di ripetitore e server stanza.';
+
   @override
   String get login_repeaterLogin => 'Login Ripetitore';
 
@@ -4297,8 +4308,4 @@ class AppLocalizationsIt extends AppLocalizations {
 
   @override
   String get contact_typeUnknown => 'Unknown';
-
-  @override
-  String get contact_connectCompanion =>
-      'Connettiti a un dispositivo companion per accedere alle funzionalità di ripetitore e server stanza.';
 }