Fixed issue for convex null job when there is no active profile
Fixed issue for convex null job when there is no active profile

ad1217/Cura,fieldOfView/Cura,ynotstartups/Wanhao,fxtentacle/Cura,fxtentacle/Cura,bq/Ultimaker-Cura,markwal/Cura,totalretribution/Cura,bq/Ultimaker-Cura,hmflash/Cura,hmflash/Cura,senttech/Cura,Curahelper/Cura,ad1217/Cura,fieldOfView/Cura,ynotstartups/Wanhao,markwal/Cura,Curahelper/Cura,senttech/Cura,totalretribution/Cura