[FIX] account_edi,l10n_it_edi: missing edi xml attachment

With an mx company setup
Create Invoice
Validate CFDI
Click "Send & Print"

Issue: xml not in attachments

In e9e9081 FW-port for saas-16.3
`_get_default_email_attachment_data`
method was removed

opw-3419746

closes odoo/odoo#129414

X-original-commit: 1001f6b5c007360ad2ecd5408cad78a744bf3d36
Signed-off-by: Laurent Smet (las) <las@odoo.com>
Signed-off-by: Andrea Grazioso (agr) <agr@odoo.com>

addons/account_edi/wizard/account_move_send.py

@@ -9,18 +9,13 @@ class AccountMoveSend(models.Model):
     def _get_mail_attachment_from_doc(self, doc):
         attachment_sudo = doc.sudo().attachment_id
         if attachment_sudo.res_model and attachment_sudo.res_id:
-            return [{
-                'id': attachment_sudo.id,
-                'name': attachment_sudo.name,
-                'mimetype': attachment_sudo.mimetype,
-                'placeholder': False,
-            }]
-        return []
+            return attachment_sudo
+        return self.env['ir.attachment']
 
-    def _get_default_email_attachment_data(self, mail_template, move):
-        """ Returns all the placeholder data and mail template data
+    def _get_invoice_extra_attachments(self, move):
+        """ Returns extra edi attachments
         """
-        results = super()._get_default_email_attachment_data(mail_template, move)
+        result = super()._get_invoice_extra_attachments(move)
         for doc in move.edi_document_ids:
-            results += self._get_mail_attachment_from_doc(doc)
-        return results
+            result += self._get_mail_attachment_from_doc(doc)
+        return result

addons/l10n_it_edi/wizard/account_move_send.py

@@ -8,5 +8,5 @@ class AccountMoveSend(models.Model):
 
     def _get_mail_attachment_from_doc(self, doc):
         if doc.edi_format_id.code == 'fattura_pa':
-            return []
+            return self.env['ir.attachment']
         return super()._get_mail_attachment_from_doc(doc)