Merged in feature/SW-3516-pass-eurobonus-number-on-booking (pull request #2902)

* feat(SW-3516): Include partnerLoyaltyNumber on bookings

- Added user context to BookingFlowProviders for user state management.
- Updated booking input and output schemas to accommodate new user data.
- Refactored booking mutation logic to include user-related information.
- Improved type definitions for better TypeScript support across booking components.


Approved-by: Anton Gunnarsson

packages/booking-flow/lib/hooks/useBookingFlowContext.ts

@@ -0,0 +1,18 @@
+import { useContext } from "react"
+
+import {
+  BookingFlowContext,
+  type BookingFlowContextData,
+} from "../bookingFlowContext"
+
+export const useBookingFlowContext = (): BookingFlowContextData => {
+  const context = useContext(BookingFlowContext)
+
+  if (!context) {
+    throw new Error(
+      "useBookingFlowContext must be used within a BookingFlowContextProvider. Did you forget to use the provider in the consuming app?"
+    )
+  }
+
+  return context
+}