updateContact method
Implementation
@action
Future<ContactWeebi> updateContact(ContactWeebi data) async {
await _updateContactServer(data);
final updatedContact =
await _contactsService.updateContactRpc.request(data);
final index = contacts.indexWhere((h) => h.id == updatedContact.id);
contacts.removeAt(index);
contacts.add(updatedContact); // mobx update sparker
return updatedContact;
}