QtWidget: Prevent crash when trying to reset processor from context menu
QtWidget: Prevent crash when trying to reset processor from context menu

Sparkier/inviwo,Sparkier/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,inviwo/inviwo,Sparkier/inviwo,inviwo/inviwo,Sparkier/inviwo,Sparkier/inviwo