Don't break the currentExtruderIndex binding
Don't break the currentExtruderIndex binding

CURA-2177

hmflash/Cura,senttech/Cura,fieldOfView/Cura,ynotstartups/Wanhao,totalretribution/Cura,Curahelper/Cura,hmflash/Cura,senttech/Cura,ynotstartups/Wanhao,fieldOfView/Cura,totalretribution/Cura,Curahelper/Cura