Simply hit escape, which normaly defaults to "cancel", but in our case corresponds to "add", and voila! I guess this hint works for all kinds of dialogs setup like ok-cancel templates.
[Editor's note: I"m not sure if this is a bug or a feature, but it definitely works as described and saves a trip to the mouse. I could not, however, get it to work in other Finder dialogs.]


file in finder
changing in finder