* 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/profile/@profile/edit/page.tsx

@@ -1,15 +1,10 @@
 import { getProfile } from "@/lib/trpc/memoizedRequests"
 
 import Form from "@/components/Forms/Edit/Profile"
-import { setLang } from "@/i18n/serverContext"
 
 import type { LangParams, PageArgs } from "@/types/params"
 
-export default async function EditProfileSlot({
-  params,
-}: PageArgs<LangParams>) {
-  setLang(params.lang)
-
+export default async function EditProfileSlot({}: PageArgs<LangParams>) {
   const user = await getProfile()
   if (!user || "error" in user) {
     return null