Sentry Issue: [POSTHOG-355](https://sentry.io/organizations/posthog/issues/2486864883/?referrer=github_integration)

```
Cohort.DoesNotExist: Cohort matching query does not exist.
(4 additional frame(s) were not displayed)
...
  File "ee/clickhouse/queries/sessions/list.py", line 155, in format_action_filters
    condition_sql, filter_params = format_action_filter_aggregate(entity, prepend=f"event_matcher_{index}")
  File "ee/clickhouse/queries/sessions/list.py", line 176, in format_action_filter_aggregate
    filters, filter_params = parse_prop_clauses(entity.properties, prepend=prepend, team_id=None)
  File "ee/clickhouse/models/property.py", line 41, in parse_prop_clauses
    cohort = Cohort.objects.get(pk=prop.value, team_id=team_id)
  File "django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "django/db/models/query.py", line 429, in get
    raise self.model.DoesNotExist(
```
posthog/api/test/test_insight.py
filter_dict = {
                "events": [{"id": "$pageview"}],
                "properties": [{"key": "$browser", "value": "Mac OS X"}],
            }
            DashboardItem.objects.create(
                filters=Filter(data=filter_dict).to_dict(), team=self.team, created_by=self.user
            )
            
            DashboardItem.objects.create(filters=Filter(data=filter_dict).to_dict(), team=self.team)
            response = self.client.get("/api/insight/", data={"user": "true"}).json()
            self.assertEqual(len(response["results"]), 1)
        def test_get_saved_insight_items(self):
            filter_dict = {
                "events": [{"id": "$pageview"}],
                "properties": [{"key": "$browser", "value": "Mac OS X"}],
            }
            DashboardItem.objects.create(
                filters=Filter(data=filter_dict).to_dict(), saved=True, team=self.team, created_by=self.user,
            )
            
            DashboardItem.objects.create(
                filters=Filter(data=filter_dict).to_dict(), team=self.team, created_by=self.user,
            )
            
            DashboardItem.objects.create(filters=Filter(data=filter_dict).to_dict(), team=self.team)
            response = self.client.get("/api/insight/", data={"saved": "true", "user": "true"})
            self.assertEqual(response.status_code, status.HTTP_200_OK)
            self.assertEqual(len(response.json()["results"]), 1)
            self.assertEqual(len(response.json()["results"][0]["short_id"]), 8)
        def test_get_insight_by_short_id(self):