More refactoring.

pages/sso.js

@@ -1,4 +1,5 @@
 import { useEffect } from 'react';
+import { Loading } from 'react-basics';
 import { useRouter } from 'next/router';
 import { setClientAuthToken } from 'lib/client';
 
@@ -14,5 +15,5 @@ export default function SingleSignOnPage() {
     }
   }, [router, url, token]);
 
-  return null;
+  return <Loading size="xl" />;
 }