Somehow, we forgot to change some calls to action_button_confirm the to new action_confirm on the sale.order object
This applies to the following modules:
portal_sale
website_event
website_quote
website_sale
Until now, you could only sign and confirm a sale order from the frontend.
From now on, you can also pay sale orders if the 'Immediate Payment'
option is checked on the sale order.
Damien Bouvy