Event list: Do not carry page through filter form

src/pretix/presale/templates/pretixpresale/fragment_event_list_filter.html

@@ -8,7 +8,7 @@
     <form class="event-list-filter-form" method="get" data-save-scrollpos>
         <input type="hidden" name="filtered" value="1">
         {% for f, v in request.GET.items %}
-            {% if f not in filter_form.fields %}
+            {% if f not in filter_form.fields and f != "page" %}
                 <input type="hidden" name="{{ f }}" value="{{ v }}">
             {% endif %}
         {% endfor %}