fixes to avoid duplicate ids when 2 add a product buttons are on one page (e.g. side column and off canvas)
fixes to avoid duplicate ids when 2 add a product buttons are on one page (e.g. side column and off canvas)

openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server,openfoodfacts/openfoodfacts-server