fix: nozzle was never turned off (CURA-1103)
fix: nozzle was never turned off (CURA-1103)

ROBO3D/CuraEngine,alephobjects/CuraEngine,alephobjects/CuraEngine,alephobjects/CuraEngine,Ultimaker/CuraEngine,Ultimaker/CuraEngine,ROBO3D/CuraEngine,ROBO3D/CuraEngine