## Bug description

<img width="696" alt="Screen Shot 2021-09-16 at 2 37 41 PM" src="https://user-images.githubusercontent.com/13460330/133689529-c4fffc7f-53f8-494e-b7a8-7fb656fd50e6.png">

## Expected behavior

Bars and labels always show on top of axes and gridlines.

## How to reproduce

1. https://app.posthog.com/insights?insight=FUNNELS&properties=%5B%5D&filter_test_accounts=false&events=%5B%7B%22id%22%3A%22%24pageview%22%2C%22name%22%3A%22%24pageview%22%2C%22type%22%3A%22events%22%2C%22order%22%3A0%7D%2C%7B%22id%22%3A%22%24pageview%22%2C%22name%22%3A%22%24pageview%22%2C%22type%22%3A%22events%22%2C%22order%22%3A1%7D%2C%7B%22id%22%3A%22%24pageview%22%2C%22name%22%3A%22%24pageview%22%2C%22type%22%3A%22events%22%2C%22order%22%3A2%7D%5D&actions=%5B%5D&exclusions=%5B%5D&interval=day&funnel_from_step=0&funnel_to_step=1&new_entity=%5B%5D&funnel_viz_type=time_to_convert&display=FunnelViz

## Environment

- [X] PostHog Cloud
- [X] self-hosted PostHog (ClickHouse-based), version/commit: _please provide_
- [X] self-hosted PostHog (Postgres-based, legacy), version/commit: _please provide_

## Additional context



#### *Thank you* for your bug report – we love squashing them!

ee/clickhouse/views/test/test_clickhouse_insights.py
("step three", 0, 1, False),
        ]:
            response = self.client.post(
                "/api/insight/funnel/",
                {
                    "events": [
                        {"id": "step one", "type": "events", "order": 0},
                        {"id": "step two", "type": "events", "order": 1},
                        {"id": "step three", "type": "events", "order": 2},
                    ],
                    "exclusions": [
                        {
                            "id": exclusion_id,
                            "type": "events",
                            "funnel_from_step": exclusion_from_step,
                            "funnel_to_step": exclusion_to_step,
                        },
                    ],
                    "funnel_window_days": 14,
                    "insight": "funnels",
                },
            )
            if error:
                self.assertEqual(response.status_code, 400)
                self.assertEqual(
                    response.json(), self.validation_error_response("Exclusion event can't be the same as funnel step")
                )
            else:
                self.assertEqual(response.status_code, 200)