[Visual Refresh] Fix transparent color variable definitions#8249

tkajtoch merged 2 commits intoelastic:eui-theme/borealiselastic/eui:eui-theme/borealisfrom

mgadewoll:eui-theme/borealis-fix-transparent-color-variablesmgadewoll/eui:eui-theme/borealis-fix-transparent-color-variablesCopy head branch name to clipboard