tooltip: Use subsurfaces on wayland
tooltip: Use subsurfaces on wayland

This places tooltips in the right place, and avoids having those attempt
to steal the focus.

https://bugzilla.gnome.org/show_bug.cgi?id=735531

Adamovskiy/gtk,jessevdk/gtk,jadahl/gtk,davidgumberg/gtk,chergert/gtk,Adamovskiy/gtk,ahodesuka/gtk,jigpu/gtk,ahodesuka/gtk,ahodesuka/gtk,jadahl/gtk,davidgumberg/gtk,Adamovskiy/gtk,Lyude/gtk-,alexlarsson/gtk,jessevdk/gtk,Lyude/gtk-,ahodesuka/gtk,chergert/gtk,Adamovskiy/gtk,jigpu/gtk,jigpu/gtk,chergert/gtk,Lyude/gtk-,jigpu/gtk,Lyude/gtk-,jadahl/gtk,Lyude/gtk-,davidgumberg/gtk,grubersjoe/adwaita,grubersjoe/adwaita,Adamovskiy/gtk,davidgumberg/gtk,chergert/gtk,alexlarsson/gtk,jadahl/gtk,alexlarsson/gtk,jadahl/gtk,jessevdk/gtk,davidgumberg/gtk,chergert/gtk,Adamovskiy/gtk,Lyude/gtk-,grubersjoe/adwaita,grubersjoe/adwaita,chergert/gtk,alexlarsson/gtk,jigpu/gtk,jigpu/gtk,alexlarsson/gtk,jadahl/gtk,grubersjoe/adwaita,jessevdk/gtk,davidgumberg/gtk,jigpu/gtk,alexlarsson/gtk,grubersjoe/adwaita,jadahl/gtk,alexlarsson/gtk,davidgumberg/gtk,jessevdk/gtk,Adamovskiy/gtk,jessevdk/gtk,alexlarsson/gtk,grubersjoe/adwaita,Lyude/gtk-,ahodesuka/gtk,ahodesuka/gtk,davidgumberg/gtk,grubersjoe/adwaita,chergert/gtk,jadahl/gtk,Adamovskiy/gtk,jigpu/gtk,ahodesuka/gtk,Lyude/gtk-,ahodesuka/gtk,chergert/gtk,jessevdk/gtk