D9814: [KIconLoader] Take into account devicePixelRatio for overlays

[Aleix Pol Gonzalez]

apol accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R302 KIconThemes

REVISION DETAIL
  https://phabricator.kde.org/D9814

To: broulik, #frameworks, davidedmundson, apol
Cc: apol, emmanuelp, michaelh