Make QWaylandWindow::setVisible(false) work

Change-Id: I8f742f03819c7a626b23a92e211bd990a8d39969
Show screen name based on output model

Platform screen now returns the screen name.

Change-Id: I190da6b4d89774dd25de8353615fe7dcaeb11cd4
Make sure to set the right cursor for the surface on mouse enter

Change-Id: I09527c8cfc0abfb7b1786a65b8c4d3e6d176978f