chore: Refine icons

[at-susie]

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 95.96%. Comparing base (120bf8b) to head (a24141c).

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #2680    +/-   ##
========================================
  Coverage   95.96%   95.96%            
========================================
  Files         748      748            
  Lines       20788    20788            
  Branches     6698     7082   +384     
========================================
  Hits        19949    19949            
+ Misses        831      785    -46     
- Partials        8       54    +46     

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