agent: Fix edit bar's background color when zoomed in (#34163)
When the panel was zoomed in, the edit bar's background color would have
a different color than the rest of the panel. This PR fixes it by using
the `panel_background` color token.
Release Notes:
- N/A
95784d53caDanilo Leal committed on 7/9/2025, 11:25:56 PM· committed by GitHubparent9b63ba6