D25677: [KColorScheme/KStatefulBrush] Switch hardcoded numbers for enum items

[Noah Davis]

ndavis added a reviewer: dfaure.

REPOSITORY
  R265 KConfigWidgets

REVISION DETAIL
  https://phabricator.kde.org/D25677

To: ndavis, #frameworks, dfaure
Cc: kde-frameworks-devel, LeGast00n, GB_2, michaelh, ngraham, bruns