fix: Keep chart popover open when bringing focus back

[jperals]

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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (61deb3a) 94.63% compared to head (9a63f12) 94.63%. Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1821      +/-   ##
==========================================
- Coverage   94.63%   94.63%   -0.01%     
==========================================
  Files         654      654              
  Lines       17787    17793       +6     
  Branches     5861     5867       +6     
==========================================
+ Hits        16833    16838       +5     
- Misses        887      888       +1     
  Partials       67       67              

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