Fix for OPENAM-3718 - review: CR-3144
Reordered the Enumeration creation, because Weblogic modifies the request object if the query and input encodings are differents.

git-svn-id: https://svn.forgerock.org/openam/trunk/openam@8466 0f4defcf-c51a-4c67-9f44-6fb5eba73c5d