* 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)/select-rate/page.tsx

@@ -4,7 +4,6 @@ import { Suspense } from "react"
 import SelectRate from "@/components/HotelReservation/SelectRate"
 import { HotelInfoCardSkeleton } from "@/components/HotelReservation/SelectRate/HotelInfoCard"
 import { RoomsContainerSkeleton } from "@/components/HotelReservation/SelectRate/RoomsContainer/RoomsContainerSkeleton"
-import { setLang } from "@/i18n/serverContext"
 
 import type { SelectRateSearchParams } from "@/types/components/hotelReservation/selectRate/selectRate"
 import type { LangParams, PageArgs } from "@/types/params"
@@ -13,8 +12,6 @@ export default async function SelectRatePage({
   params,
   searchParams,
 }: PageArgs<LangParams & { section: string }, SelectRateSearchParams>) {
-  setLang(params.lang)
-
   const suspenseKey = stringify(searchParams)
 
   return (