Fix "keep current settings" dialog so it properly clears on "No"
Fix "keep current settings" dialog so it properly clears on "No"

Contributes to CURA-2006

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