Page blinks when switching between different pages in Studio demo.

Steps:
1. Create a new Landing Page with a Schedule block.
2. Add a content item and set the air time to the future.
3. Publish the page.
4. Observe the publishing process until View mode is loaded.
Issue: When the loading has finished after a while (ca. 1-2 sec) the page blinks.
5. To reproduce it again switch to the demo home page Tasteful Planet and then back the the new page (repeat several times).

Remarks: In browser console following error occurs "Uncaught TypeError: Cannot read property 'setAttribute' of undefined" (from _ezcombo?/tpl/handlebars/timelinecontentlistpageview-ez-template.js&/bundles/ezstudioui/js/views/ti…:3148 )