Link BreezeIcons if present
Instead of loading the .rcc file if it is present, link to the new resource library BreezeIcons if its available.
Alternatively we could load it dynamically like the .rcc file.
@cullmann btw craft still caries https://invent.kde.org/packaging/craft-blueprints-kde/-/blob/master/kde/frameworks/tier3/kiconthemes/svgiconengine.diff around