Add feedback for user when filling out customer details

[UVLabs]

Right now when adding adding customer info for a guest, the details are saved automatically in the background, but there's no feed back to the user letting them know that this has happened; in the form of a spinner or a notification pill.

Yes you can see the guest name change in real time but if the name is short, its hidden by the modal so a user might not even notice this. It actually caught me off guard until I realized that it saved automatically