Expand filebrowser filename input to the end of the screen
Expand filebrowser filename input to the end of the screen

Use an hbox rather than a table for the filebrowser filename query to
make it expand to cover the entire screen horizontally.

der-lyse/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,der-lyse/newsboat,newsboat/newsboat,der-lyse/newsboat,newsboat/newsboat,newsboat/newsboat,newsboat/newsboat,der-lyse/newsboat,der-lyse/newsboat,newsboat/newsboat,newsboat/newsboat