## Bug description

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

funnels -> select two steps for the funnel -> historical view

This is because we're not passing in a year to dayjs so it defaults to 2001

<img width="592" alt="Screen Shot 2021-07-14 at 1 39 47 PM" src="https://user-images.githubusercontent.com/25164963/125667575-5f8c2450-5998-4602-8a36-f886c1c786c5.png">


## Expected behavior



## 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/funnels/funnel_trends.py
self, filter: Filter, team: Team, funnel_order_class: Type[ClickhouseFunnelBase] = ClickhouseFunnel
    ) -> None:
        # TO
        if BREAKDOWN in filter._data:
            del filter._data[BREAKDOWN]
        super().__init__(filter, team)
        self.funnel_order = funnel_order_class(filter, team)
    def _exec_query(self):
        return self._summarize_data(super()._exec_query())
    def get_step_counts_without_aggregation_query(
        self, *, specific_entrance_period_start: Optional[datetime] = None
    ) -> str:
        steps_per_person_query = self.funnel_order.get_step_counts_without_aggregation_query()
        interval_method = get_trunc_func_ch(self._filter.interval)
        # Th
        if specific_entrance_period_start:
            self.params["entrance_period_start"] = specific_entrance_period_start.strftime(TIMESTAMP_FORMAT)
        return f"""
            SELECT
                person_id,
                {interval_method}(timestamp) AS entrance_period_start,
                max(steps) AS steps_completed
            FROM (
                {steps_per_person_query}
            )
            {"WHERE entrance_period_start = %(entrance_period_start)s" if specific_entrance_period_start else ""}
            GROUP BY person_id, entrance_period_start"""
    def get_query(self) -> str: