User cannot search for a filter which is hidden and user must click on the "Show all" link to filter by the hidden filter
*Steps to Reproduce:*
1. go to the QAN page
2. Select find hidden filter in "Show all"
3. Click again "Show Top 5"
4. Try to search by a filter which isn't in "Top 5"
You cannot find the filter
Every filter that exists on QAN page should be searchable even if it's hidden after the "Show all" link