Remove headers from prompt library picker (#12889)

Also, as a drive-by, we're fixing up/down not working in inline
assistant editor.

Release Notes:

- N/A

Antonio Scandurra committed 2y ago

53b0720d546b6541fbf236d2f9d2dadbce6f126e

Parent: b6ea393

Committed by GitHub <noreply@github.com> on 6/11/2024, 1:59:30 PM