Fix exporting materials for machines other than those in the product_id_map
Fix exporting materials for machines other than those in the product_id_map

CURA-2583

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