## 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_id, _ = self._create_insight({"name": "to be deleted"})
        self._get_insight(insight_id=insight_id, expected_status=status.HTTP_200_OK)
        update_response = self.client.patch(f"/api/projects/{self.team.id}/insights/{insight_id}", {"deleted": True})
        self.assertEqual(update_response.status_code, status.HTTP_200_OK)
        self._get_insight(insight_id=insight_id, expected_status=status.HTTP_404_NOT_FOUND)
    def test_soft_delete_can_be_reversed_by_patch(self) -> None:
        insight_id, _ = self._create_insight({"name": "an insight"})
        self.client.patch(f"/api/projects/{self.team.id}/insights/{insight_id}", {"deleted": True})
        self.assertEqual(
            self.client.get(f"/api/projects/{self.team.id}/insights/{insight_id}").status_code,
            status.HTTP_404_NOT_FOUND,
        )
        update_response = self.client.patch(f"/api/projects/{self.team.id}/insights/{insight_id}", {"deleted": False})
        self.assertEqual(update_response.status_code, status.HTTP_200_OK)
        self.assertEqual(
            self.client.get(f"/api/projects/{self.team.id}/insights/{insight_id}").status_code, status.HTTP_200_OK
        )
    def _create_insight(
        self, data: Dict[str, Any], team_id: Optional[int] = None, expected_status: int = status.HTTP_201_CREATED
    ) -> Tuple[int, Dict[str, Any]]:
        if team_id is None:
            team_id = self.team.id
        if "filters" not in data:
            data["filters"] = {"events": [{"id": "$pageview"}]}
        response = self.client.post(f"/api/projects/{team_id}/insights", data=data,)
        self.assertEqual(response.status_code, expected_status)
        response_json = response.json()
        return response_json.get("id", None), response_json
    def _create_dashboard(self, data: Dict[str, Any], team_id: Optional[int] = None) -> Tuple[int, Dict[str, Any]]: