Provide a Better Date/Time Control for Selecting the Pickup Time

[timnolte]

Is your feature request related to a problem? Please describe.
The UX during checkout for users to select a Pickup Time is hard to use when there are a large number of time slots, a very long drop-down to scroll through.

Describe the solution you'd like
Provide a calendar control for date selection, and a companion control for time selection.

Describe alternatives you've considered
No other alternatives comes to mind.

Reference: https://wordpress.org/support/topic/calendar-view-25/