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

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

@@ -1,11 +1,11 @@
+import { baseUrls } from "@/constants/routes/baseUrls"
+
 import Header from "@/components/Current/Header"
 import LanguageSwitcher from "@/components/Current/Header/LanguageSwitcher"
 
-import { baseUrls } from "./_constants"
-
 import { LangParams, PageArgs } from "@/types/params"
 
-export async function LanguageSwitcherRoute({ params }: PageArgs<LangParams>) {
+export default async function HeaderPage({ params }: PageArgs<LangParams>) {
   return (
     <Header
       lang={params.lang}