fix: localize 404 and ensure header when no lang

app/[lang]/(live)/middleware-error/404/page.tsx

@@ -0,0 +1,11 @@
+import { Lang } from "@/constants/languages"
+
+import NotFound from "@/components/Current/NotFound"
+
+import { LangParams, PageArgs } from "@/types/params"
+
+export default function NotFoundPage({ params }: PageArgs<LangParams>) {
+  const lang = params.lang || Lang.en
+
+  return <NotFound lang={lang} />
+}

app/[lang]/(live-current)/not-found.tsx

@@ -1,11 +1,12 @@
-import { getIntl } from "@/i18n"
+import { headers } from "next/headers"
 
-export default async function NotFound() {
-  const { formatMessage } = await getIntl()
-  return (
-    <main>
-      <h1>{formatMessage({ id: "Not found" })}</h1>
-      <p>{formatMessage({ id: "Could not find requested resource" })}</p>
-    </main>
-  )
+import { Lang } from "@/constants/languages"
+
+import NotFound from "@/components/Current/NotFound"
+
+export default function NotFoundPage() {
+  const headersList = headers()
+  const lang = headersList.get("x-sh-language") as Lang
+
+  return <NotFound lang={lang} />
 }