Return empty string so we get no errors about assigning undefined to string
Return empty string so we get no errors about assigning undefined to string

fxtentacle/Cura,totalretribution/Cura,senttech/Cura,fxtentacle/Cura,hmflash/Cura,Curahelper/Cura,fieldOfView/Cura,bq/Ultimaker-Cura,ynotstartups/Wanhao,ad1217/Cura,bq/Ultimaker-Cura,hmflash/Cura,markwal/Cura,ad1217/Cura,senttech/Cura,totalretribution/Cura,lo0ol/Ultimaker-Cura,markwal/Cura,lo0ol/Ultimaker-Cura,Curahelper/Cura,fieldOfView/Cura,ynotstartups/Wanhao