## 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
expected=[
                {
                    "user": {"first_name": "", "email": "user1@posthog.com"},
                    "activity": "created",
                    "scope": "Insight",
                    "item_id": str(insight_id),
                    "detail": {
                        "changes": None,
                        "merge": None,
                        "name": "a created dashboard",
                        "short_id": insight_short_id,
                    },
                    "created_at": "2012-01-14T03:21:34Z",
                },
                {
                    "user": {"first_name": "", "email": "user1@posthog.com"},
                    "activity": "updated",
                    "scope": "Insight",
                    "item_id": str(insight_id),
                    "detail": {
                        "changes": [
                            {
                                "type": "Insight",
                                "action": "changed",
                                "field": "tags",
                                "before": [],
                                "after": ["1", "2", "3"],
                            }
                        ],
                        "merge": None,