[FIX] website_sale: change class to t-attf-class to allow override
[FIX] website_sale: change class to t-attf-class to allow override

website_event_sale overrides the template with a t-attf-class, so the class are ignored

hip-odoo/odoo,hip-odoo/odoo,dfang/odoo,ygol/odoo,ygol/odoo,dfang/odoo,dfang/odoo,hip-odoo/odoo,dfang/odoo,hip-odoo/odoo,hip-odoo/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,dfang/odoo,dfang/odoo,ygol/odoo,hip-odoo/odoo