## 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
self.assert_insight_activity(
            response_data["id"],
            [
                {
                    "user": {"first_name": "", "email": "user1@posthog.com",},
                    "activity": "created",
                    "created_at": "2012-01-14T03:21:34Z",
                    "scope": "Insight",
                    "item_id": str(response_data["id"]),
                    "detail": {
                        "changes": None,
                        "merge": None,
                        "name": "pageview unique users",
                        "short_id": response_data["short_id"],
                    },
                }
            ],
        )
    def test_update_insight(self):
        with freeze_time("2012-01-14T03:21:34.000Z") as frozen_time:
            insight_id, insight = self._create_insight({"name": "insight name"})
            short_id = insight["short_id"]
            frozen_time.tick(delta=timedelta(minutes=10))
            response = self.client.patch(
                f"/api/projects/{self.team.id}/insights/{insight_id}",
                {"name": "insight new name", "tags": ["add", "these", "tags"]},
            )
            self.assertEqual(response.status_code, status.HTTP_200_OK)
            response_data = response.json()
            self.assertEqual(response_data["name"], "insight new name")