Hello Katarina,
Thanks for writing in! Please be advised that the Navigation Collapsed will only display a navigation menu. You cannot edit it. What you can do is you can replace it with the Content Area Modal element. You can then go to Pro > Global Blocks and create a global block. You can design the example navigation in this block by using icon element, cart element, and the navigation inline element. Save your block and take note of the global block shortcode. You may insert the shortcode in your content area modal element content. To learn more about how the global block works and how you can use it, please check this out:
Hope this helps.