chore: Grouped table POC

[pan-kot]

Description

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

How has this been tested?

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 95.79%. Comparing base (26dc1ce) to head (30b388f).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2342      +/-   ##
==========================================
+ Coverage   95.75%   95.79%   +0.03%     
==========================================
  Files         726      727       +1     
  Lines       19785    19969     +184     
  Branches     6733     6772      +39     
==========================================
+ Hits        18945    19129     +184     
  Misses        785      785              
  Partials       55       55              

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[pan-kot]

Closed in favour of #3673