[frontend] Fix ItemIcon type (#4933)

[marieflorescontact]

Proposed changes

• <ItemIcon/> component had UserOverview type, which did not correspond to any type inside the component.

Related issues

• issue/4933

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (a1130db) 87.27% compared to head (f786370) 87.27%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #4980   +/-   ##
=======================================
  Coverage   87.27%   87.27%           
=======================================
  Files           3        3           
  Lines         220      220           
  Branches       55       55           
=======================================
  Hits          192      192           
  Misses         28       28           

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