Fix incorrect order status on customer profile orders (#3785)

When a customer views the list of their orders on their profile,
orders which have been cancelled with a fee are displayed as 'paid'.
This commit fixes this by using the same logic from other places
where order status badges are displayed.

src/pretix/presale/views/customer.py

@@ -400,7 +400,7 @@ def get_context_data(self, **kwargs):
         for o in ctx['orders']:
             if o.pk not in annotated:
                 continue
-            o.count_positions = annotated.get(o.pk)['pcnt']
+            o.pcnt = annotated.get(o.pk)['pcnt']
         return ctx