The fix was supposed to - and actually did for a short while - apply to all action buttons on the entire page. Table focus should not reset any of them. Just looking at the email now about it, and that was the fix implemented.
I even posted happily about it(last comment in that thread) when that bugfix was pushed through, but sadly I may have to retract that happy post as it reverted back at some point not too very long after that if memory serves.