[FIX] website_sale: allow public user to print cart

When the public user is connected, allow him to print the report of
the open cart.
Since 61b4b6777d64 the sudo is not enough but with_user(1) is
required.

closes odoo/odoo#80803

X-original-commit: a4021965f1f049c69186e1f2acbc55ae59ee8730
Signed-off-by: Olivier Dony <odo@odoo.com>

addons/website_sale/controllers/main.py

@@ -1103,7 +1103,7 @@ class WebsiteSale(http.Controller):
     def print_saleorder(self, **kwargs):
         sale_order_id = request.session.get('sale_last_order_id')
         if sale_order_id:
-            pdf, _ = request.env.ref('sale.action_report_saleorder').sudo()._render_qweb_pdf([sale_order_id])
+            pdf, _ = request.env.ref('sale.action_report_saleorder').with_user(SUPERUSER_ID)._render_qweb_pdf([sale_order_id])
             pdfhttpheaders = [('Content-Type', 'application/pdf'), ('Content-Length', u'%s' % len(pdf))]
             return request.make_response(pdf, headers=pdfhttpheaders)
         else: