file chooser: Ensure a folder is loaded when browsing
file chooser: Ensure a folder is loaded when browsing

Just showing an empty list when the user hits Ctrl-l in
recent files is not very useful. Load the home directory
instead.

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