text: Title: DatePickerSingle not compatible with Internet Explorer 11
  Body: DatePickerSingle examples from the Dash user guide https://dash.plot.ly/dash-core-components/datepickersingle are not working with Internet Explorer 11 (tested version: 11.175.18362.0 with updates: 11.0.130). A selected date in the calendar won't update the text in the input field.
  
  
  Possible Solution:
  
  Regarding this issue https://github.com/airbnb/react-dates/issues/1639, please consider an update of react-dates to version >= 20.2.0