fix incorrect form tags on checkout_confirm.html

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

@@ -11,9 +11,6 @@
     <h2>{% trans "Review order" %}</h2>
     {% include "pretixpresale/event/fragment_checkoutflow.html" %}
     <p>{% trans "Please review the details below and confirm your order." %}</p>
-    <form method="post" data-asynctask
-            data-asynctask-headline="{% trans "Please hang tight, we're finalizing your order!" %}">
-        {% csrf_token %}
     <div class="panel panel-primary cart">
         <div class="panel-heading panel-heading-flex">
             <h3 class="panel-title">
@@ -36,6 +33,9 @@
             {% include "pretixpresale/event/fragment_cart.html" with cart=cart event=request.event editable=False %}
         </div>
     </div>
+    <form method="post" data-asynctask
+            data-asynctask-headline="{% trans "Please hang tight, we're finalizing your order!" %}">
+        {% csrf_token %}
         {% if payments %}
             <div class="panel panel-default">
                 <div class="panel-heading">

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

@@ -492,10 +492,10 @@
 <div class="row">
     <div class="col-md-12">
     {% if not cart.is_ordered %}
-        <form class="text-muted"
-                method="post" data-asynctask action="{% eventurl request.event "presale:event.cart.extend" cart_namespace=cart_namespace %}">
+        <form class="text-muted" id="cart-extend-form" data-asynctask data-asynctask-no-redirect
+                method="post" action="{% eventurl request.event "presale:event.cart.extend" cart_namespace=cart_namespace %}">
             {% csrf_token %}
-            <span id="cart-deadline" data-expires="{{ cart.first_expiry|date:"Y-m-d H:i:sO" }}">
+            <span id="cart-deadline" data-expires="{{ cart.first_expiry|date:"Y-m-d H:i:sO" }}" data-max-expiry-extend="{{ cart.max_expiry_extend|date:"Y-m-d H:i:sO" }}">
                 {% if cart.minutes_left > 0 or cart.seconds_left > 0 %}
                     {% blocktrans trimmed with minutes=cart.minutes_left %}
                         The items in your cart are reserved for you for {{ minutes }} minutes.