Show display_name in export if user is owner

bitpoll/poll/views.py

@@ -161,7 +161,7 @@ def poll(request, poll_url: str, export: bool=False):
         row.extend(a)
         writer.writerow(row)
         for vote, votechoices in zip(poll_votes, vote_choice_matrix):
-            row = [vote.display_name if not current_poll.hide_participants else _('Hidden')]
+            row = [vote.display_name if not (current_poll.hide_participants and current_poll.current_user_is_owner(request)) else _('Hidden')]
             row.append(vote.date_created.isoformat(timespec='seconds'))
             row.extend([choice['value'].title if choice and choice['value'] else '' for choice in votechoices])
             writer.writerow(row)