* move setLang() to a root layout

* fix: findLang only returns acceptable languages
* fix: fallback to use header x-lang if we haven't setLang yet
* fix: languageSchema, allow uppercase

Approved-by: Linus Flood

app/[lang]/(live)/(public)/hotelreservation/(standard)/alternative-hotels/map/page.tsx

@@ -3,7 +3,6 @@ import { Suspense } from "react"
 import { SelectHotelMapContainer } from "@/components/HotelReservation/SelectHotel/SelectHotelMap/SelectHotelMapContainer"
 import { SelectHotelMapContainerSkeleton } from "@/components/HotelReservation/SelectHotel/SelectHotelMap/SelectHotelMapContainerSkeleton"
 import { MapContainer } from "@/components/MapContainer"
-import { setLang } from "@/i18n/serverContext"
 
 import styles from "./page.module.css"
 
@@ -11,11 +10,8 @@ import type { AlternativeHotelsSearchParams } from "@/types/components/hotelRese
 import type { LangParams, PageArgs } from "@/types/params"
 
 export default async function SelectHotelMapPage({
-  params,
   searchParams,
 }: PageArgs<LangParams, AlternativeHotelsSearchParams>) {
-  setLang(params.lang)
-
   return (
     <div className={styles.main}>
       <MapContainer>