NepaliDialogHandle
A live dialog shown by showNepaliDatePickerDialog or showNepaliDatePickerFullScreenDialog. dismiss closes it without invoking either caller callback, for a host tearing down while the dialog is still up.
A live dialog shown by showNepaliDatePickerDialog or showNepaliDatePickerFullScreenDialog. dismiss closes it without invoking either caller callback, for a host tearing down while the dialog is still up.