[Settings > Merge requests] Use design token for in-page settings search result

Problem to solve

This issue represents a finding from our work to audit features belonging to groupsource code. See the analysis in Figma for more information. See the overview video for guidance on how to review this analysis.

Screenshots

Proposal

• Address the following finding on the Settings > Merge requests page:
  • Use design token for in-page settings search result
  • There is an existing Pajamas solution to address this
• Additional notes and guidance to resolve this finding:
  • Search results (using the mark element) aren't using design tokens.