[FIX] website_quote: option product discount report print
[FIX] website_quote: option product discount report print

Before this commit, the suggested products section on a printed SO always showed
the discount, even if it was 0.0

After this commit, we display discounts only if they are different from 0.0

OPW 1882942
closes #26847

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo