feat: refactor NewDates, clean up legacy code

This reverts commit 0c7836fa59.

apps/scandic-web/server/routers/booking/utils.ts

@@ -10,13 +10,13 @@ import type { BookingConfirmation } from "@/types/trpc/routers/booking/confirmat
 import type { Lang } from "@/constants/languages"
 
 export function getBookedHotelRoom(
-  rooms: Room[] | undefined,
+  rooms: Room[],
   roomTypeCode: BookingConfirmation["booking"]["roomTypeCode"]
 ) {
-  if (!rooms?.length || !roomTypeCode) {
+  if (!rooms.length || !roomTypeCode) {
     return null
   }
-  const room = rooms?.find((r) => {
+  const room = rooms.find((r) => {
     return r.roomTypes.find((roomType) => roomType.code === roomTypeCode)
   })
   if (!room) {