feat(localization): update contact settings translations for multiple languages

- Translated contact settings and related strings in Slovenian, Swedish, Ukrainian, Chinese, Dutch, Polish, Portuguese, Russian, and Slovak.
- Added new strings for discovered contacts actions such as adding, copying, and deleting contacts.
- Enhanced the DiscoveryContact model to include a rawPacket field for better data handling.
- Updated the contacts screen to support new actions in the context menu for discovered contacts.
- Improved the contact discovery store to handle the serialization of the new rawPacket field.

lib/l10n/app_localizations_en.dart

@@ -3126,4 +3126,16 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get discoveredContacts_searchHint => 'Search discovered contacts';
+
+  @override
+  String get discoveredContacts_contactAdded => 'Contact added';
+
+  @override
+  String get discoveredContacts_addContact => 'Add Contact';
+
+  @override
+  String get discoveredContacts_copyContact => 'Copy Contact to clipboard';
+
+  @override
+  String get discoveredContacts_deleteContact => 'Delete Contact';
 }