[sailfish-browser] Fix clipping and content height when vkb open. Fixes JB#11578
[sailfish-browser] Fix clipping and content height when vkb open. Fixes JB#11578

Use only the value of the State of QmlMozView.

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