[Design] A selected popover row shouldn’t have any background

[MarionLemaire]

Steps to reproduce

• Go to Review Worflows (you will need a paid license)
• Click on a workflow
• Click on a stage
• Click on the roles dropdown
• Select a role
• See that there is a background in the dropdown when a role is selected

Expected behavior

There should not be any background.

Screenshots

[yanniskadiri]

Confirmed in rc.7

[lucasboilly]

@yanniskadiri @oiorain this one is a design system issue, is there a way to move it in the design system repo?

[yanniskadiri]

Done @lucasboilly