Font chooser: Also apply font map to preview
Font chooser: Also apply font map to preview

Otherwise, the preview is not showing a selected custom font.

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