When exporting data from [an insight](https://app.posthog.com/insights/oVHjTLUD), the action names weren't exported, making the CSV a little hard to follow.

As a user, I'd expect to see the same data in the export as I see in the table in-app.

<img width="1012" alt="image" src="https://user-images.githubusercontent.com/154479/166958828-9b3add76-633b-4f1d-ad2b-cf1ea2888b95.png">

posthog/api/test/test_insight.py
self.assertEqual(response_3.status_code, status.HTTP_200_OK)
            self.assertDictContainsSubset(
                {
                    "created_at": "2021-08-23T12:00:00Z",
                    "created_by": self_user_basic_serialized,
                    "updated_at": "2021-10-21T12:00:00Z",
                    "last_modified_at": "2021-10-21T12:00:00Z",
                    "last_modified_by": self_user_basic_serialized,
                },
                response_3.json(),
            )
        with freeze_time("2021-12-23T12:00:00Z"):
            response_4 = self.client.patch(f"/api/projects/{self.team.id}/insights/{insight_id}", {"name": "XYZ"})
            self.assertEqual(response_4.status_code, status.HTTP_200_OK)
            self.assertDictContainsSubset(
                {
                    "created_at": "2021-08-23T12:00:00Z",
                    "created_by": self_user_basic_serialized,
                    "updated_at": "2021-12-23T12:00:00Z",
                    "last_modified_at": "2021-12-23T12:00:00Z",
                    "last_modified_by": self_user_basic_serialized,
                },
                response_4.json(),
            )
        
        self.client.force_login(alt_user)
        with freeze_time("2022-01-01T12:00:00Z"):
            response_5 = self.client.patch(
                f"/api/projects/{self.team.id}/insights/{insight_id}", {"description": "Lorem ipsum."}
            )