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
dashboard_restricted: Dashboard = Dashboard.objects.create(
            team=self.team, restriction_level=Dashboard.RestrictionLevel.ONLY_COLLABORATORS_CAN_EDIT
        )
        admin = User.objects.create_and_join(
            organization=self.organization, email="y@x.com", password=None, level=OrganizationMembership.Level.ADMIN
        )
        self.client.force_login(admin)
        _, response_data = self._create_insight(
            data={"name": "on a restricted and unrestricted dashboard", "dashboards": [dashboard_restricted.pk],}
        )
        self.assertEqual(
            response_data["effective_restriction_level"], Dashboard.RestrictionLevel.ONLY_COLLABORATORS_CAN_EDIT
        )
        self.assertEqual(response_data["effective_privilege_level"], Dashboard.PrivilegeLevel.CAN_EDIT)
    def test_an_insight_on_both_restricted_dashboard_does_not_restrict_with_explicit_privilege(self):
        dashboard_restricted: Dashboard = Dashboard.objects.create(
            team=self.team, restriction_level=Dashboard.RestrictionLevel.ONLY_COLLABORATORS_CAN_EDIT
        )
        DashboardPrivilege.objects.create(
            dashboard=dashboard_restricted, user=self.user, level=Dashboard.RestrictionLevel.ONLY_COLLABORATORS_CAN_EDIT
        )
        _, response_data = self._create_insight(
            data={"name": "on a restricted and unrestricted dashboard", "dashboards": [dashboard_restricted.pk],}
        )
        self.assertEqual(
            response_data["effective_restriction_level"], Dashboard.RestrictionLevel.ONLY_COLLABORATORS_CAN_EDIT
        )
        self.assertEqual(response_data["effective_privilege_level"], Dashboard.PrivilegeLevel.CAN_EDIT)
    def test_cannot_update_an_insight_if_on_restricted_dashboard(self):