inspector: Show the warning dialog without delay
inspector: Show the warning dialog without delay

The delay was a mistaken attempt to work around a problem that
is now better understood, see
https://bugzilla.gnome.org/show_bug.cgi?id=735338

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