## 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
_create_person(team=self.team, distinct_ids=["1"])
        _create_event(team=self.team, event="user signed up", distinct_id="1")
        _create_event(team=self.team, event="user did things", distinct_id="1")
        response = self.client.post(
            f"/api/projects/{self.team.id}/insights/funnel/",
            {
                "events": [
                    {"id": "user signed up", "type": "events", "order": 0},
                    {"id": "user did things", "type": "events", "order": 1},
                ],
                "funnel_window_days": 14,
            },
        )
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        response_json = response.json()
        # 
        self.assertEqual(len(response_json["result"]), 2)
        self.assertEqual(response_json["result"][0]["name"], "user signed up")
        self.assertEqual(response_json["result"][0]["count"], 1)
        self.assertEqual(response_json["result"][1]["name"], "user did things")
        self.assertEqual(response_json["result"][1]["count"], 1)
    # 
    def test_insight_funnels_basic_get(self):