Setup booking-confirmation page in SAS
* Setup booking-confirmation page in SAS
move booking-confirmation tracking to booking-flow
* remove unused param
* Add test cards to documentation
* Fix payment callback page to use correct status
Approved-by: Anton Gunnarsson
Approved-by: Hrishikesh Vaipurkar
Chore/SW-2878 extract booking confirmation pag
* chore(SW-2878): Moved booking confirmation page to booking-flow package
* chore(SW-2878): Fixed promo styles as per design
* chore(SW-2878): Kept tiny duplicate function to avoid export from booking-flow package
Approved-by: Anton Gunnarsson