Restyle Github sidebar link from green to white

[lukaw3d]

Related to #903 (comment)

[github-actions]

MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ EDITORCONFIG	editorconfig-checker	2		0	0.01s
✅ GIT	git_diff	yes		no	0.01s
✅ TSX	eslint	1	0	0	5.11s

See errors details in artifact MegaLinter reports on CI Job page
Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff

[codecov]

Codecov Report

Merging #921 (6d6901d) into master (a6ac88c) will not change coverage.
The diff coverage is 50.00%.

@@           Coverage Diff           @@
##           master     #921   +/-   ##
=======================================
  Coverage   87.39%   87.39%           
=======================================
  Files          98       98           
  Lines        1619     1619           
  Branches      350      350           
=======================================
  Hits         1415     1415           
  Misses        204      204           

Flag	Coverage Δ
cypress	57.93% <50.00%> (ø)
jest	74.13% <50.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/app/components/Sidebar/index.tsx	88.31% <50.00%> (ø)