[FIX] sale_quotation_products: add product's button bug fixed
[FIX] sale_quotation_products: add product's button bug fixed

closes ingadhoc/sale#584

Signed-off-by: Nicolas Mac Rouillon <8d34fe7b7c65100e706828a8c0d03426900ffb59@adhoc.com.ar>

ingadhoc/sale,ingadhoc/sale,ingadhoc/sale,ingadhoc/sale