Focus outline is missing on sort column buttons

[rilrom]

Describe the Bug

When using the keyboard, focus is invisible when the active element is a sort column button.

Take a look at this PR for more information.

Link to the code that reproduces this issue

https://github.com/payloadcms/payload/tree/main/test/_community

Reproduction Steps

1. Navigate to the list view.
2. Using the keyboard, tab to the sort column buttons.
3. No focus outline is shown.

Which area(s) are affected? (Select all that apply)

area: ui

Environment Info

Payload: 3.2.1
Next.js: 15.0.3