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
"user": {"first_name": "", "email": "user1@posthog.com",},
                    "activity": "created",
                    "created_at": "2012-01-14T03:21:34Z",
                    "scope": "Insight",
                    "item_id": str(response_data["id"]),
                    "detail": {
                        "changes": None,
                        "merge": None,
                        "name": "a created dashboard",
                        "short_id": response_data["short_id"],
                    },
                }
            ],
        )
    def test_create_insight_items_on_a_dashboard(self):
        dashboard_id, _ = self._create_dashboard({})
        insight_id, _ = self._create_insight(
            {
                "filters": {
                    "events": [{"id": "$pageview"}],
                    "properties": [{"key": "$browser", "value": "Mac OS X"}],
                    "date_from": "-90d",
                },
                "dashboards": [dashboard_id],
            }
        )
        tile: DashboardTile = DashboardTile.objects.get(dashboard__id=dashboard_id, insight__id=insight_id)
        self.assertIsNotNone(tile.filters_hash)
    @freeze_time("2012-01-14T03:21:34.000Z")
    def test_create_insight_logs_derived_name_if_there_is_no_name(self):