[FIX] mail: allow more complex email layout

Add record to the email values to allow the use of more complex
email layout as : "mail.mail_notification_paynow"

opw-2025099

closes odoo/odoo#34375

Signed-off-by: Nans Lefebvre (len) <len@odoo.com>

addons/mail/models/mail_template.py

@@ -535,6 +535,7 @@ class MailTemplate(models.Model):
                     'message': self.env['mail.message'].sudo().new(dict(body=values['body_html'], record_name=record.display_name)),
                     'model_description': self.env['ir.model']._get(record._name).display_name,
                     'company': 'company_id' in record and record['company_id'] or self.env.user.company_id,
+                    'record': record,
                 }
                 body = template.render(template_ctx, engine='ir.qweb', minimal_qcontext=True)
                 values['body_html'] = self.env['mail.thread']._replace_local_links(body)