Invalid starting month when min and max are equal and from not current month

[avizcaino]

Description

When min and max dates are the same, and not in the current month, the calendar is blank, showing no days for the current month.

Expected outcome

It should navigate to the corresponding month for min and max date.

Actual outcome

Calendar is blank showing no days.

Live Demo

<app-datepicker
  min="Sat May 05 2021 00:00:00 GMT+0200 (Hora d’estiu del Centre d’Europa)"
  max="Sat May 05 2021 00:00:00 GMT+0200 (Hora d’estiu del Centre d’Europa)"
  firstDayOfWeek="1"
  locale="ca-ES"
></app-datepicker>

Steps to reproduce

Browsers Affected

• [x] Chrome/ Opera
• [x] Firefox
• [x] Safari 10+
• [x] Safari 9
• [x] Safari 8
• [x] Safari 7
• [x] Edge 12+
• [x] IE 11