fix: combing findCrossingInOrMid can fail when part is too small (now doesn't crash anymore) (CURA-1506)
fix: combing findCrossingInOrMid can fail when part is too small (now doesn't crash anymore) (CURA-1506)

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