agent: Add profile description in docs aside (#39412)

This improves the design of the profile picker a bit by making every
item on it have the same height; it also makes it more consistent with
the model selector.

Release Notes:

- N/A
7b96e1cf1aDanilo Leal committed on 10/3/2025, 1:16:33 PM· committed by GitHubparent86322a1
1 file changedLine totals unavailable