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
_create_person(team=self.team, distinct_ids=["person_1"])
        _create_event(
            properties={"$current_url": "/", "test": "val"}, distinct_id="person_1", event="$pageview", team=self.team,
        )
        _create_event(
            properties={"$current_url": "/about", "test": "val"},
            distinct_id="person_1",
            event="$pageview",
            team=self.team,
        )
        _create_person(team=self.team, distinct_ids=["dontcount"])
        _create_event(
            properties={"$current_url": "/", "test": "val"}, distinct_id="dontcount", event="$pageview", team=self.team,
        )
        _create_event(
            properties={"$current_url": "/about", "test": "val"},
            distinct_id="dontcount",
            event="$pageview",
            team=self.team,
        )
        get_response = self.client.get(
            f"/api/projects/{self.team.id}/insights/path",
            data={"properties": json.dumps([{"key": "test", "value": "val"}]),},
        ).json()
        post_response = self.client.post(
            f"/api/projects/{self.team.id}/insights/path", {"properties": [{"key": "test", "value": "val"}],}
        ).json()
        self.assertEqual(len(get_response["result"]), 1)
        self.assertEqual(len(post_response["result"]), 1)
    def test_insight_funnels_basic_post(self):