## Bug description

See [this graph (internal link)](https://app.posthog.com/insights?insight=TRENDS&actions=%5B%7B%22id%22%3A4912%2C%22math%22%3A%22dau%22%2C%22name%22%3A%22Discovered%20Learning%22%2C%22type%22%3A%22actions%22%2C%22order%22%3A0%2C%22properties%22%3A%5B%7B%22key%22%3A%22realm%22%2C%22type%22%3A%22person%22%2C%22value%22%3A%5B%22cloud%22%5D%2C%22operator%22%3A%22exact%22%7D%5D%2C%22math_property%22%3Anull%7D%2C%7B%22id%22%3A7307%2C%22math%22%3A%22total%22%2C%22name%22%3A%22Insights%20Error%20or%20Timeout%20-%20Cloud%22%2C%22type%22%3A%22actions%22%2C%22order%22%3A1%2C%22properties%22%3A%5B%5D%2C%22math_property%22%3Anull%7D%5D&display=ActionsLineGraph&formula=B%2FA&interval=week&date_from=-90d&filter_test_accounts=true&properties=%5B%5D&breakdown=realm&breakdown_type=person#fromItem=190864&fromItemName=%23%20Errors%20Seen%20%2F%20Activated%20User%20-%20Cloud&fromDashboard=3346)

Using formulas + break down doesn't work.

## Expected behavior

Should work.

## How to reproduce

1.
2.
3.

## Environment

- [ ] PostHog Cloud
- [ ] self-hosted PostHog, version/commit: _please provide_

## Additional context



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

ee/clickhouse/queries/trends/test/test_formula.py
with freeze_time("2020-01-03T13:04:01Z"):
            _create_event(
                team=self.team,
                event="session start",
                distinct_id="blabla",
                properties={"session duration": 500, "location": "London"},
            )
            _create_event(
                team=self.team,
                event="session end",
                distinct_id="blabla",
                properties={"session duration": 500, "location": "London"},
            )
    def _run(self, extra: Dict = {}, run_at: Optional[str] = None):
        with freeze_time(run_at or "2020-01-04T13:01:01Z"):
            action_response = ClickhouseTrends().run(
                Filter(
                    data={
                        "events": [
                            {"id": "session start", "math": "sum", "math_property": "session duration"},
                            {"id": "session start", "math": "avg", "math_property": "session duration"},
                        ],
                        "formula": "A + B",
                        **extra,
                    }
                ),
                self.team,
            )
        return action_response
    def test_minute_interval(self):