## Bug description

If I mark an insight as a favorite (⭐) and then refresh, the insight is no longer marked as a favorite although it is (can see it in Favorites).

<img width="390" alt="image" src="https://user-images.githubusercontent.com/30181361/182802236-9ecf0531-899c-4f25-ae86-bc233cefdc2f.png">

Note that I'm in the _Favorites_ tab and that _Bug example_ is not starred.
## Environment

- [x] PostHog Cloud
- [ ] self-hosted PostHog, version/commit: please provide

posthog/api/test/test_insight.py
}
        Insight.objects.create(
            filters=Filter(data=filter_dict).to_dict(), team=self.team, short_id="12345678",
        )
        Insight.objects.create(
            filters=Filter(data=filter_dict).to_dict(), team=self.team, saved=True,
        )
        response = self.client.get(f"/api/projects/{self.team.id}/insights/?basic=true")
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.json()["results"]), 2)
        self.assertEqual(
            set(response.json()["results"][0].keys()),
            {
                "id",
                "short_id",
                "name",
                "filters",
                "dashboards",
                "description",
                "last_refresh",
                "refreshing",
                "saved",
                "updated_at",
                "created_by",
                "created_at",
                "last_modified_at",
                "tags",
            },
        )
    def test_listing_insights_does_not_nplus1(self):