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
Person.objects.create(team=self.team, properties=properties)
        cohort_one_id = self.client.post(
            f"/api/projects/{self.team.id}/cohorts", data={"name": "whatever", "groups": [{"properties": properties}]},
        ).json()["id"]
        return cohort_one_id
    @freeze_time("2022-03-22T00:00:00.000Z")
    def test_create_insight_viewed(self):