## Bug description

*Please describe.*  
- some datapoints show 0 but people will appear in modal

*If this affects the front-end, screenshots would be of great help.*  

## Expected behavior
- amount of people and datapoint should be the same


## How to reproduce

1. demo data clickhouse instance
2. go to retention trends for a day with some people


## 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/clickhouse_retention.py
result = sync_execute(
            RETENTION_SQL.format(
                target_query=target_query_formatted,
                returning_query=returning_query_formatted,
                filters=prop_filters,
                trunc_func=trunc_func,
                extra_union="UNION ALL {} ".format(reference_event_sql),
                reference_event_sql=reference_event_sql,
                target_condition=target_condition,
                returning_condition=returning_condition,
            ),
            {
                "team_id": team.pk,
                "start_date": date_from.strftime(
                    "%Y-%m-%d{}".format(" %H:%M:%S" if filter.period == "Hour" else " 00:00:00")
                ),
                "end_date": date_to.strftime(
                    "%Y-%m-%d{}".format(" %H:%M:%S" if filter.period == "Hour" else " 00:00:00")
                ),
                "reference_start_date": date_from.strftime(
                    "%Y-%m-%d{}".format(" %H:%M:%S" if filter.period == "Hour" else " 00:00:00")
                ),
                "reference_end_date": (
                    (date_from + filter.period_increment) if filter.display == TRENDS_LINEAR else date_to
                ).strftime("%Y-%m-%d{}".format(" %H:%M:%S" if filter.period == "Hour" else " 00:00:00")),
                **prop_filter_params,
                **target_params,
                **returning_params,
                "period": period,
            },