Remove "Save All" and add "Save As" MenuItem
Remove "Save All" and add "Save As" MenuItem

CURA-3496

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