[sailfish-browser] Don't virtualize pages with parent-child relations
[sailfish-browser] Don't virtualize pages with parent-child relations

sailfishos/sailfish-browser,rojkov/sailfish-browser,rojkov/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,sailfishos/sailfish-browser,alinelena/sailfish-browser,rojkov/sailfish-browser,alinelena/sailfish-browser,sailfishos/sailfish-browser,alinelena/sailfish-browser,alinelena/sailfish-browser