Give focus to selected day box

[timarney]

When coming back from the review page this will give focus to the selected day box to make it eaier to remove days before moving back to the calendar.

[pcraig3]

Couple things:

• Not sure if we do want an outline -- looks worse with it, imo
• Not sure if we want to update the hash (#calendar-header) to somewhere else (#removeDateMessage) for example

Can ask @emanelfy on Monday

[timarney]

• Not sure if we want to update the hash (#calendar-header) to somewhere else (#removeDateMessage) for example

Updated the return link to use /calendar#selected-day-box. The other hash didn't work well for the mobile view.

[emanelfy]

Outstanding change on the calendar page: When a selection is made on the calendar, the active colour should be green (to match the same colour as the button).

Additionally, on the above point -- no outline required :)

[timarney]

Making the cal colour updates here https://github.com/cds-snc/ircc-rescheduler/pull/479