title: Error Assertion failed in Wijmo: Date expected
body: <p>I am using Wijmo date picker. I am getting an error when I send proper date format for Wijmo date. Sometimes the same date is picked without error, sometimes an error is displaying.</p>
  
  <p>I am setting form value this.mfForm.get('date').setValue('15/12/2019');</p>
  
  <p>Every time the date value will change on button click. </p>