The correction made in version 3.0 always sorts an enumerated widget alphabetically by entry label.
Sometimes we want the list sorted alphabetically (mostly when the values aren't defined, like "all the content types" or "all the templates"), but most of the time having a custom order defined by the underlying enumerator is preferable.
A specific widget, sorting the entries by label, should be created, and the old default widget should preserve the enumerator order, as it was before the issue resolution.
The default enumerated widgets are not sorted alphabetically anymore.
Now, to use sorted widgets, use :