Don't generate overhang if no support is needed
Don't generate overhang if no support is needed

We'll want to pull this dynamically later on but for now just hard-code it.

Contributes to issue CURA-4523.

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