## 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
"after": "insight new name",
                                },
                            ],
                            "merge": None,
                            "name": "insight new name",
                            "short_id": short_id,
                        },
                        "created_at": "2012-01-14T03:31:34Z",
                    },
                    {
                        "user": {"first_name": "", "email": "user1@posthog.com"},
                        "activity": "created",
                        "scope": "Insight",
                        "item_id": str(insight_id),
                        "detail": {"changes": None, "merge": None, "name": "insight name", "short_id": short_id},
                        "created_at": "2012-01-14T03:21:34Z",
                    },
                ],
            )
    def test_cannot_set_filters_hash_via_api(self):
        insight_id, insight = self._create_insight({"name": "should not update the filters_hash"})
        original_filters_hash = insight["filters_hash"]
        self.assertIsNotNone(original_filters_hash)
        response = self.client.patch(
            f"/api/projects/{self.team.id}/insights/{insight_id}", {"filters_hash": "should not update the value"},
        )
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(response.json()["filters_hash"], original_filters_hash)
    @freeze_time("2012-01-14T03:21:34.000Z")
    def test_can_add_and_remove_tags(self):