Remove tReady from WindowList props

[lutzhelm]

This change just removes the console warning about passing tReady (which is passed as prop via withTranslation()) as a property to a DOM element. We don't do something like that in WindowList directly, and all components within WindowList are from MUI, so there might be a MUI component passing all props to a native element. There might also be more occurrences of that issue in other components.

I'm neither sure if this is even noticable in non-dev builds nor if we should file this as an issue with MaterialUI.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (593e81b) 92.53% compared to head (59bdef9) 92.54%.

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Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3890   +/-   ##
=======================================
  Coverage   92.53%   92.54%           
=======================================
  Files         203      203           
  Lines        3579     3580    +1     
=======================================
+ Hits         3312     3313    +1     
  Misses        267      267           

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