bug fix (tootsuite pr #6120)

app/javascript/flavours/glitch/util/main.js

@@ -1,4 +1,4 @@
-import { register as registerPushNotifications } from 'flavours/glitch/actions/push_notifications';
+import * as registerPushNotifications from 'flavours/glitch/actions/push_notifications';
 import { default as Mastodon, store } from 'flavours/glitch/containers/mastodon';
 import React from 'react';
 import ReactDOM from 'react-dom';