<pf-chip-group>: overflow or close button are inaccessible by keyboard

[nikkimk]

Description of the issue

Using only a keyboard, the overflow and close buttons cannot be focused and clicked.

Impacted component(s)

• pf-chip-group

Steps to reproduce

1. In docs, go to Chip group with removable categories
2. Use Tab to set focus on first chip in a chip group.
3. Attempt to use right arrow key → to navigate to "1 more" overflow button.
4. Attempt to use right arrow key → to navigate to close button.
5. Neither button can be accessed via roving tabindex.

Expected behavior

Both the overflow or close buttons should be accessible via roving tabindex.

[bennypowers]

If this fixed in #2707 ?

[nikkimk]

If this fixed in #2707 ?

No. While reviewing #2707 I found the issue.

[bennypowers]

Closed by #2709