Merge branch 'jnkkl-refactor-code-quality-gutter-icon' into 'master'

Refactor code_quality_gutter_icon component

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/126956



Merged-by: Jose Ivan Vargas <jvargas@gitlab.com>
Approved-by: Lee Tickett <ltickett@gitlab.com>
Approved-by: Jose Ivan Vargas <jvargas@gitlab.com>
Co-authored-by: Jannik Lehmann <jlehmann@gitlab.com>