[haiku] Screen preferences usability question: default button for keep settings dialog?

When you change resolutions in the Screen preference application, the
"Keep" button is the default button for the "Do you wish to keep these
settings?" dialog. Since this dialog is primarily for the case when an
unsupported resolution is selected I wonder if the "Undo" button
should be the default. In the case of a garbled screen I could imagine
someone hitting Enter in desperation, which would keep the bad
resolution. Of course the Esc key will dismiss the dialog and undo the
changes, but I'm not sure if that would be everyone's first instinct.

So I am thinking it might make sense to make Undo the default button.
Now that makes this panel slightly more annoying in the normal case
when everything is fine (you can't just hit enter to dismiss it and
keep the new settings), but I think that is a reasonable compromise to
avoid trapping users in a bad resolution.

I figured I would ask before making such a change.

Thoughts?

Regards,
Ryan

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