ClientWindowMode shows white loading page for button navigation

Screen flickers when navigating with buttons. The action method of a command button uses a bean method and there a viewNavigationHandler with a viewConfig class. This behavior occurs on Chrome and the jsf-playground application of DS running on maven plugin bundled tomee or glassfish
http://localhost:8080/ds/views/windowhandling/clientwindow/test.xhtml

https://github.com/mlachat/deltaspike/tree/ds-1.4.2-WindowHandling