* 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)/(protected)/my-pages/@breadcrumbs/[...path]/page.tsx

@@ -2,14 +2,11 @@ import { Suspense } from "react"
 
 import Breadcrumbs from "@/components/Breadcrumbs"
 import BreadcrumbsSkeleton from "@/components/TempDesignSystem/Breadcrumbs/BreadcrumbsSkeleton"
-import { setLang } from "@/i18n/serverContext"
 
 import type { LangParams, PageArgs } from "@/types/params"
 import { PageContentTypeEnum } from "@/types/requests/contentType"
 
-export default function AllBreadcrumbs({ params }: PageArgs<LangParams>) {
-  setLang(params.lang)
-
+export default function AllBreadcrumbs({}: PageArgs<LangParams>) {
   return (
     <Suspense fallback={<BreadcrumbsSkeleton />}>
       <Breadcrumbs variant={PageContentTypeEnum.accountPage} />