createElement method
Creates a StatefulElement to manage this widget's location in the tree.
It is uncommon for subclasses to override this method.
Implementation
@override
RFStatefulElement createElement() {
var elementTimePoint =
ElementTimePoint(_viewModel.name, '', _viewModel.context);
elementTimePoint.start();
var result = RFStatefulElement(this);
elementTimePoint.end();
return result;
}