Ordering multiple versions of a portlet

[CR # 330546] If multiple versions of portlet “a” (such as 1.0/2.0/5.0/9.0/10.0/11.0) exist in an Approved folder of the Portlet Manager, and you click the Version label in Portlet Manager to order by version, the ascending sort result is 1.0/10.0/11.0/2.0/5.0/9.0 and the descending sort result is 9.0/5.0/2.0/11.0/10.0/1.0.

This also applies to the Catalog Builder.

Workaround: None.