fix: limit prime tower height when support is touching buildplate only (CURA-2633)
fix: limit prime tower height when support is touching buildplate only (CURA-2633)

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