fix: Ensure focus is returned to active tab

[gethinwebster]

Description

Ensure that tab focus is returned consistently to the active tab, whether or not tabs have actions.

Related links, issue #, if available: n/a

How has this been tested?

Updated 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 96.44%. Comparing base (6c6453d) to head (884ac47).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3266    +/-   ##
========================================
  Coverage   96.44%   96.44%            
========================================
  Files         791      791            
  Lines       22567    22567            
  Branches     7731     7384   -347     
========================================
  Hits        21764    21764            
- Misses        750      796    +46     
+ Partials       53        7    -46     

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[pan-kot]

Great work!