These components should have an option to show a button on the date picker that clears the currently selected date.
Additional information
From the PM3 wiki:
Shows or hides the Clear button in the icon toolbar. The default value of this property is "false", which will hide the Clear button. Clicking the Clear button will set the calendar to null.
This property shows the Clear button in the icon toolbar (represented by a garbage can icon). When this button is clicked, the datetime field and the datepicker value are cleared.
Default: false
Description
These components should have an option to show a button on the date picker that clears the currently selected date. Additional information From the PM3 wiki: Shows or hides the Clear button in the icon toolbar. The default value of this property is "false", which will hide the Clear button. Clicking the Clear button will set the calendar to null. This property shows the Clear button in the icon toolbar (represented by a garbage can icon). When this button is clicked, the datetime field and the datepicker value are cleared. Default: false
Screenshot