fun showPurchasedFoodOrMerchReceipt(: NavController, : String): Unit
Navigates to a new screen to display a receipt using an orderUUID.
orderUUID - The orderUUID of a purchased food or merch item. This orderUUID comes from
an order retrieved by OrderService.getExperienceOrder(orderUUID: String)
navController - The nav controller used to start the R.id.action_to_direct_receipt_flow.