- Replace deprecated notify.confirm() with modern $notify() API
- Add structured notification object with group, type, and title properties
- Extract registration prompt response logic into reusable handleRegistrationPromptResponse method
- Update settings method from $updateSettings to $saveSettings for consistency
- Align implementation with ContactsView.vue for better code consistency
This brings the registration prompt notification in ContactQRScanShowView up to parity with the modern implementation used in ContactsView.