Fix linting warnings

[darkwing]

Ran eslint with --fix

[codecov]

Codecov Report

Merging #4030 into master will not change coverage.
The diff coverage is 50%.

@@          Coverage Diff           @@
##           master   #4030   +/-   ##
======================================
  Coverage      55%     55%           
======================================
  Files         132     132           
  Lines        5130    5130           
  Branches     1056    1056           
======================================
  Hits         2822    2822           
  Misses       2308    2308

Impacted Files	Coverage Δ
src/components/PrimaryPanes/Outline.js	68.96% <50%> (ø)	⬆️

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