Fixed 'use client' usage.

src/app/login/page.tsx

@@ -1,23 +1,7 @@
-import LoginForm from './LoginForm';
 import { Metadata } from 'next';
-import styles from './page.module.css';
-
-async function getDisabled() {
-  return !!process.env.LOGIN_DISABLED;
-}
 
 export default async function LoginPage() {
-  const disabled = await getDisabled();
-
-  if (disabled) {
-    return null;
-  }
-
-  return (
-    <div className={styles.page}>
-      <LoginForm />
-    </div>
-  );
+  return <LoginPage />;
 }
 
 export const metadata: Metadata = {