onModelChange method
Callback function for when the model changes, used to force a rebuild with setState()
Implementation
@override
onModelChange(WidgetModel model, {String? property, dynamic value}) {
if ((cont!.text != widget.model.value) &&
(widget.model.isPicking != true)) {
widget.model.onChange(context);
}
cont!.text = widget.model.value;
super.onModelChange(model);
}