Make reset and restore default buttons work properly again
Make reset and restore default buttons work properly again

Contributes to CURA-1278

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