Properly set the current index of variant/profile combo boxes
Properly set the current index of variant/profile combo boxes

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