fix: Prevent focus from being lost when pagination previous/next buttons are disabled

[avinashbot]

Description

The pagination left/right buttons disable themselves when there's no previous or next page after the current page. But this could happen while you're still focused on the left/right navigation buttons, so when you hit the first/last page, the focus could get kicked out while you're still on the button.

Related links, issue #, if available: D460257192

How has this been tested?

Updated unit tests.

Review checklist

The following items are to be evaluated by the author(s) and the reviewer(s).

Correctness

• Changes include appropriate documentation updates.
• Changes are backward-compatible if not indicated, see CONTRIBUTING.md.
• Changes do not include unsupported browser features, see CONTRIBUTING.md.
• Changes were manually tested for accessibility, see accessibility guidelines.

Security

• If the code handles URLs: all URLs are validated through the checkSafeUrl function.

Testing

• Changes are covered with new/existing unit tests?
• Changes are covered with new/existing integration tests?

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.43%. Comparing base (370a90e) to head (38ede85).
⚠️ Report is 6 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4576   +/-   ##
=======================================
  Coverage   97.43%   97.43%           
=======================================
  Files         941      941           
  Lines       29692    29696    +4     
  Branches    10791    10794    +3     
=======================================
+ Hits        28930    28934    +4     
  Misses        715      715           
  Partials       47       47           

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