fix: (SW-3495): Update booking-flow links in partner-sas
* Update links to scandic web in booking-flow
* Fix routeToScandicWeb util function
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