add cloud_mode

pages/404.js

@@ -2,9 +2,9 @@ import React from 'react';
 import Layout from 'components/layout/Layout';
 import { FormattedMessage } from 'react-intl';
 
-export default function Custom404() {
+export default function Custom404({ settingsDisabled }) {
   return (
-    <Layout>
+    <Layout settingsDisabled={settingsDisabled}>
       <div className="row justify-content-center">
         <h1>
           <FormattedMessage id="message.page-not-found" defaultMessage="Page not found" />
@@ -13,3 +13,11 @@ export default function Custom404() {
     </Layout>
   );
 }
+
+export async function getServerSideProps() {
+  return {
+    props: {
+      settingsDisabled: !!process.env.CLOUD_MODE,
+    },
+  };
+}