KeyError: 'original_channel_name' in search endpoint

[sentry]

Sentry Issue: STUDIO-BCK

KeyError: 'original_channel_name'
(10 additional frame(s) were not displayed)
...
  File "rest_framework/views.py", line 492, in dispatch
    response = handler(request, *args, **kwargs)
  File "contentcuration/viewsets/base.py", line 523, in list
    return self.get_paginated_response(self.serialize(page))
  File "contentcuration/viewsets/base.py", line 514, in serialize
    return self.consolidate(list(map(self._map_fields, queryset or [])), queryset)
  File "contentcuration/viewsets/base.py", line 499, in _map_fields
    item[key] = value(item)
  File "contentcuration/viewsets/contentnode.py", line 297, in get_title
    return item["title"] if item["parent_id"] else item["original_channel_name"]