That wasn't part of this update, the default mood will only apply for new users. We may introduce this in the future.
If you want to set the mood for all existing users that haven't set one yet, you can use this query:
af_moods_mood_id = X
af_moods_mood_id = 0...
XF 2.2 Compatibility
Improved style compatibility for postbit display
Added new postbit positions:
Before custom fields
User mood changes log, view in AdminCP -> Edit user -> "Change log" tab
Added mood chooser "menu width" style property, two...
If you move all of them to 1 row in the AdminCP, it will look like this:
Which looks a lot better than both of those... But if you still prefer the old display, make the template change we posted above ^ or wait for the next release (most likely this upcoming week) with the style property...