Allow to define ticket validity through a product (#3105)

src/pretix/plugins/badges/forms.py

@@ -61,6 +61,7 @@ class BadgeLayoutChoiceField(forms.ModelChoiceField):
 
 
 class BadgeItemForm(forms.ModelForm):
+    is_layouts = True
     layout = BadgeLayoutChoiceField(queryset=BadgeLayout.objects.none())
 
     class Meta:

src/pretix/plugins/ticketoutputpdf/forms.py

@@ -34,6 +34,8 @@ class TicketLayoutForm(forms.ModelForm):
 
 
 class TicketLayoutItemForm(forms.ModelForm):
+    is_layouts = True
+
     class Meta:
         model = TicketLayoutItem
         fields = ('layout',)