Fix MaterialUIComponent

[philippjfr]

Fixes #563

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.09%. Comparing base (0ed59ce) to head (2adf4e9).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #566      +/-   ##
==========================================
+ Coverage   80.58%   81.09%   +0.50%     
==========================================
  Files          31       31              
  Lines        3152     3152              
==========================================
+ Hits         2540     2556      +16     
+ Misses        612      596      -16     

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