fix product saving
fix product saving

wbtuomela/cartridge,stephenmcd/cartridge,jaywink/cartridge-reservable,ryneeverett/cartridge,Parisson/cartridge,wbtuomela/cartridge,dsanders11/cartridge,syaiful6/cartridge,wyzex/cartridge,viaregio/cartridge,jaywink/cartridge-reservable,Kniyl/cartridge,stephenmcd/cartridge,traxxas/cartridge,Kniyl/cartridge,stephenmcd/cartridge,viaregio/cartridge,wyzex/cartridge,Parisson/cartridge,ryneeverett/cartridge,syaiful6/cartridge,Parisson/cartridge,jaywink/cartridge-reservable,ryneeverett/cartridge,traxxas/cartridge,wbtuomela/cartridge,dsanders11/cartridge,syaiful6/cartridge,wyzex/cartridge,Kniyl/cartridge,dsanders11/cartridge,traxxas/cartridge