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/insight.py
team = self.team
        filter = Filter(request=request, team=self.team)
        if filter.insight == INSIGHT_STICKINESS or filter.shown_as == TRENDS_STICKINESS:
            stickiness_filter = StickinessFilter(
                request=request, team=team, get_earliest_timestamp=get_earliest_timestamp
            )
            result = ClickhouseStickiness().run(stickiness_filter, team)
        else:
            trends_query = ClickhouseTrends()
            result = trends_query.run(filter, team)
        return {"result": result}
    
    
    
    
    #
    
    
    
    
    
    @extend_schema(
        request=FunnelSerializer,
        responses=OpenApiResponse(
            response=FunnelStepsResultsSerializer,
            description="Note, if funnel_viz_type is set the response will be different.",
        ),
        methods=["POST"],
        tags=["funnel"],
        operation_id="Funnels",