If you restrict endDateControl selections based on startDateControl value and vice versa, the popover UI breaks as sometimes years shown are not in multiples of 3.

To reproduce:

1. Restrict end-date to be selected between start-date value and now, using minDate and maxDate.
2. Restrict start date to be not greater than the end-date using maxDate.
3. Click on year selection of either start or end-date inputs.
4. Observe that the popover shows extra spaced out values, in some cases a blank pop over.

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