inspector: Make the action editor more useful
inspector: Make the action editor more useful

We were not finding the action owner for menuitems, we have to
try harder to walk all the way up to the window.

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