When assembling the email we are leaving the assignment of the attachments to another method that we can inherit and then modify instead of doing it in the same method to attach them. The idea is that in any localization we need only to modify that method in order to add new attachments to the mail template. closes odoo/odoo#80490 X-original-commit: 6f2e7dc3e8c468bcdb0862468eb08b65ce40c983 Related: odoo/enterprise#22568 Signed-off-by: Laurent Smet <las@openerp.com>