## 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
step_counts = self.get_step_counts_without_aggregation_query()
        # Ex
        self.params.update(self.funnel_order.params)
        reached_from_step_count_condition, reached_to_step_count_condition, _ = self.get_steps_reached_conditions()
        interval_method = get_trunc_func_ch(self._filter.interval)
        num_intervals, seconds_in_interval, _ = get_time_diff(
            self._filter.interval or "day", self._filter.date_from, self._filter.date_to, team_id=self._team.pk
        )
        query = f"""
            SELECT
                entrance_period_start,
                reached_from_step_count,
                reached_to_step_count,
                if(reached_from_step_count > 0, round(reached_to_step_count / reached_from_step_count * 100, 2), 0) AS conversion_rate
            FROM (
                SELECT
                    entrance_period_start,
                    countIf({reached_from_step_count_condition}) AS reached_from_step_count,
                    countIf({reached_to_step_count_condition}) AS reached_to_step_count
                FROM (
                    {step_counts}
                ) GROUP BY entrance_period_start
            ) data
            FULL OUTER JOIN (
                SELECT
                    {interval_method}(toDateTime('{self._filter.date_from.strftime(TIMESTAMP_FORMAT)}') + number * {seconds_in_interval}) AS entrance_period_start
                FROM numbers({num_intervals}) AS period_offsets
            ) fill