fix: routerBasename setting (#4891)

platform/app/public/config/google.js

@@ -1,6 +1,6 @@
 /** @type {AppTypes.Config} */
 window.config = {
-  routerBasename: '/',
+  routerBasename: null,
   enableGoogleCloudAdapter: false,
   // below flag is for performance reasons, but it might not work for all servers
   showWarningMessageForCrossOrigin: true,