Focus is still reset when using keyboard with a search facet

Steps to reproduce

1. Go to the search page
2. Navigate with TAB to move the keyboard focus to a facet filter checkbox (e.g. to "Last author")
3. Press Space key to tick the checkbox
4. Press TAB key again
5. Observe the keyboard focus

Expected results

The keyboard focus is still on the last filter checkbox.

Actual results

The keyboard focus is on the beginning of the page, on the search input box.