[FIX] website_sale: Explicitly ask to flag a SO as cart_recovery_email_sent

Purpose
=======

Now all the abandonned cart are marked as 'cart_recovery_email_sent' in any cases, whatever the email sent.

Specification
=============

The SO should be marked as 'cart_recovery_email_sent' only when the cart recovery email is sent.

addons/website_sale/models/mail_compose_message.py

@@ -1,9 +1,8 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
-import datetime
+from odoo import api, models
 
-from odoo import api, fields, models
 
 class MailComposeMessage(models.TransientModel):
     _inherit = 'mail.compose.message'
@@ -12,10 +11,10 @@ class MailComposeMessage(models.TransientModel):
     def send_mail(self, auto_commit=False):
         context = self._context
         # TODO TDE: clean that brole one day
-        if self.model == 'sale.order' and context.get('active_ids'):
+        if context.get('website_sale_send_recovery_email') and self.model == 'sale.order' and context.get('active_ids'):
             self.env['sale.order'].search([
                 ('id', 'in', context.get('active_ids')),
-                ('cart_recovery_email_sent', '!=', True),
+                ('cart_recovery_email_sent', '=', False),
                 ('is_abandoned_cart', '=', True)
             ]).write({'cart_recovery_email_sent': True})
             self = self.with_context(mail_post_autofollow=True)

addons/website_sale/models/sale_order.py

@@ -225,6 +225,7 @@ class SaleOrder(models.Model):
                 'default_model': 'sale.order',
                 'default_use_template': bool(template_id),
                 'default_template_id': template_id,
+                'website_sale_send_recovery_email': True,
                 'active_ids': self.ids,
             },
         }