Use theme 10 scale for navigation background
What does this MR do and why?
gitlab-ui!3871 (merged) introduces 10 scale values for each theme color palette. This allows us to remove the mix() SCSS color function from the theme helper and instead use explicit and documented color values.
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots or screen recordings
no visual changes screenshots for verification
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How to set up and validate locally
- Toggle navigation themes in http://gdk.test:3000/-/profile/preferences
- Ensure background color value is as expected