Fix the browser example
Fix the browser example

I forgot to update this to the new "modality" property.

Change-Id: Ic650eedfb17734c099238fb41c6bf2342c9ce750
Reviewed-by: Jens Bache-Wiig <9cea9d70b08f8210134ec5959114f72bad51ed1d@nokia.com>

mizukusak/qtquickcontrols,jfaust/qtquickcontrols,mizukusak/qtquickcontrols,richardmg/qtcomponents,drgvond/qtquickcontrols,drgvond/qtquickcontrols,mizukusak/qtquickcontrols,richardmg/qtcomponents,jfaust/qtquickcontrols,kobolabs/qtquickcontrols,richardmg/qtcomponents,kobolabs/qtquickcontrols,drgvond/qtquickcontrols,kobolabs/qtquickcontrols,jfaust/qtquickcontrols