fix: return baseUrls if no uid is given to language switcher query

app/[lang]/(live)/@header/[...paths]/layout.tsx

@@ -0,0 +1,21 @@
+import { ReactNode } from "react"
+
+import Header from "@/components/Current/Header"
+
+import { LangParams, PageArgs } from "@/types/params"
+
+export default function HeaderLayout({
+  params,
+  languageSwitcher,
+  children,
+}: PageArgs<LangParams> & {
+  languageSwitcher: ReactNode
+  children: ReactNode
+}) {
+  return (
+    <>
+      <Header lang={params.lang} languageSwitcher={languageSwitcher} />
+      {children}
+    </>
+  )
+}