fix: only prime the initial extruder at the start of a print (CURA-1508)
fix: only prime the initial extruder at the start of a print (CURA-1508)

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