Enable UAB dark navbar when color modes are inactive. Correct navbar color...

• Enable UAB dark navbar when color modes are inactive. Correct navbar color...

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• Enable UAB dark navbar when color modes are inactive. Correct navbar color preference on legacy admin pages. Some refactoring.

See merge request !5243 (merged)

(cherry picked from commit 16dd0623)

4b60b132 Enable UAB dark navbar when color modes are inactive. Correct navbar color...

Co-authored-by: Gary Cunningham-Lee gary_c@cunningham-lee.com