settings_ui: Adjust warning banner design (#40952)

Just tidying this up a bit. Really have to fix this Banner component at
some point 😅 Having to add some spacing hacks to make it perfect here
that are not ideal and should be baked into the component.

Release Notes:

- N/A
f9e0642a72Danilo Leal committed on 10/23/2025, 12:23:51 AM· committed by GitHubparentbada88c
1 file changedLine totals unavailable