Add order date to CSV attendee list

src/pretix/plugins/checkinlists/exporters.py

@@ -320,6 +320,7 @@ class CSVCheckinList(CheckInListMixin, ListExporter):
 
         headers.append(_('Company'))
         headers.append(_('Voucher code'))
+        headers.append(_('Order date'))
         yield headers
 
         for op in qs:
@@ -372,6 +373,7 @@ class CSVCheckinList(CheckInListMixin, ListExporter):
 
             row.append(ia.company)
             row.append(op.voucher.code if op.voucher else "")
+            row.append(op.order.datetime.astimezone(self.event.timezone).strftime('%Y-%m-%d'))
             yield row
 
     def get_filename(self):