fix: PolygonUtils::findClose would return nothing when first arbitrary point was best (CURA-1506)
fix: PolygonUtils::findClose would return nothing when first arbitrary point was best (CURA-1506)

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