Fix display of wrong email address in order confirmation

src/pretix/presale/checkoutflow.py

@@ -480,6 +480,7 @@ class ConfirmStep(CartMixin, AsyncAction, TemplateFlowStep):
         ctx['payment_provider'] = self.payment_provider
         ctx['addr'] = self.invoice_address
         ctx['confirm_messages'] = self.confirm_messages
+        ctx['cart_session'] = self.cart_session
 
         ctx['contact_info'] = []
         responses = contact_form_fields.send(self.event)

src/pretix/presale/templates/pretixpresale/event/checkout_confirm.html

@@ -111,7 +111,7 @@
                     <div class="panel-body">
                         <dl class="dl-horizontal">
                             <dt>{% trans "E-mail address" %}</dt>
-                            <dd>{{ request.session.email }}</dd>
+                            <dd>{{ cart_session.email }}</dd>
                         </dl>
                         {% for l, v in contact_info %}
                             <dl class="dl-horizontal">