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/screens/contacts_screen.dart

@@ -219,7 +219,8 @@ class _ContactsScreenState extends State<ContactsScreen>
     }
     final hexString = text.substring('meshcore://'.length);
     try {
-      final importContactFrame = buildImportContactFrame(hexString);
+      final bytes = hex2Uint8List(hexString);
+      final importContactFrame = buildImportContactFrame(bytes);
       _pendingOperations.add(ContactOperationType.import);
       await connector.sendFrame(importContactFrame, expectsGenericAck: true);
     } catch (e) {