[FIX] payment_xendit: public user email

When there's a payment that involves public user, an error will occur when they've input the email

3789416

closes odoo#157261

X-original-commit: 0db66b3
Signed-off-by: Antoine Vandevenne (anv) <[email protected]>

Author: nni-odoo

addons/payment_xendit/models/payment_transaction.py

@@ -66,7 +66,7 @@ def _xendit_prepare_invoice_request_payload(self):
         }
         # Extra payload values that must not be included if empty.
         if self.partner_email:
-            payload['customer']['email'] = self.partner_id.email
+            payload['customer']['email'] = self.partner_email
         if phone := self.partner_id.mobile or self.partner_id.phone:
             payload['customer']['mobile_number'] = phone
         address_details = {}