togglebutton: Don't duplicate button code
togglebutton: Don't duplicate button code

It's the same code, so no need to write the same vfunc twice.

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