Fix minValue/maxValue for KConfigCompilerSignallingItem
KConfigCompilerSignallingItem doesn't implement minValue/maxValue so the empty impl from the base class is used
We need to forward the calls to the inner item to have it work properly
KConfigCompilerSignallingItem doesn't implement minValue/maxValue so the empty impl from the base class is used
We need to forward the calls to the inner item to have it work properly