[IMP]website_sale:total amount of sale order is 0.00 , confirm this sale...

... order and no mail with SO sent to the customer.

- Task: https://www.odoo.com/web?#id=9981&view_type=form&model=project.task&menu_id=3942&action=327
- Pad: https://pad.odoo.com/p/r.L3ViIukoIvlMwDc8