With the new routes, all pages are not all at the same folder level anymore
(e.g. /shaare and /shaare/123), so we can't just use './' everywhere.
The most consistent way to handle this is to prefix all path with the proper variable,
and handle the actual path in controllers.
When the key filter is clicked once, it only displays private link. When it is clicked on again, it becomes red and only public links are displayed. Another click and all links are displayed. The current visibility status is shown in the search banner
Fixes#1030
