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
the actual query data. This can speed things up if it's not needed.
        """
        filter_dict = {
            "events": [{"id": "$pageview"}],
        }
        Insight.objects.create(
            filters=Filter(data=filter_dict).to_dict(), team=self.team, short_id="12345678",
        )
        Insight.objects.create(
            filters=Filter(data=filter_dict).to_dict(), team=self.team, saved=True,
        )
        response = self.client.get(f"/api/projects/{self.team.id}/insights/?basic=true")
        self.assertEqual(response.status_code, status.HTTP_200_OK)
        self.assertEqual(len(response.json()["results"]), 2)
        self.assertEqual(
            list(response.json()["results"][0].keys()),
            [
                "id",
                "short_id",
                "name",
                "filters",
                "dashboards",
                "description",
                "last_refresh",
                "refreshing",
                "saved",
                "updated_at",
            ],
        )
    def test_listing_insights_does_not_nplus1(self):