Quick search bar: focus not always on search input
Currently it is possible, in Zotero in Firefox at least, to select the arrow for the dropdown menu of the quick search, which then gets focus and makes it impossible to type in the search input field. Worse, even if focus on that UI element would make sense from a keyboard-accessibility point of view, after making a selection from the dropdown the focus is not automatically yielded to the search input field but remains on the arrow until one clicks on or tabs to the input field.
1. Click on the little downward pointing triangle left of the search input field (the "arrow"). The dropdown appears.
2. Now click in the search input field. The dropdown menu disappears but focus is still on the arrow so that you can't type. Another click in the field is necessary to give focus to the input field.
This is a fairly common routine (to check what fields I'm searching in) so it's important to get right. Also, for this purpose, two clicks could be avoided if the search field told me (in grey) what I'll be searching in.