Fix statusbar content can be more than 100 percent

[sarahd93]

Checklist:

• Tests
• CHANGELOG Entry

[codecov]

Codecov Report

Merging #1621 into gsa-8.0 will increase coverage by 0.01%.
The diff coverage is 100%.

@@             Coverage Diff             @@
##           gsa-8.0    #1621      +/-   ##
===========================================
+ Coverage    37.46%   37.47%   +0.01%     
===========================================
  Files          966      966              
  Lines        22089    22093       +4     
  Branches      6208     6231      +23     
===========================================
+ Hits          8276     8280       +4     
  Misses       12489    12489              
  Partials      1324     1324

Impacted Files	Coverage Δ
gsa/src/web/utils/theme.js	100% <ø> (ø)	⬆️
gsa/src/web/components/bar/statusbar.js	87.5% <100%> (+0.32%)	⬆️
gsa/src/web/components/bar/progressbar.js	100% <100%> (ø)	⬆️

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[swaterkamp]

Could you check components/bar/progressbar.js instead of fixing the statusbar? It has some lines of code dealing with this issue already and it should not appear even without your changes. Maybe we are checking the values at the wrong place (within a styled-components function in this case, ll. 80-85).
If your changes are indeed correct, we should find out what progressbar is doing with the information and if we could remove the if's there.