Fix reorder issue for DynamicDropDownLists when refreshed with button

All related BZs:
https://bugzilla.redhat.com/show_bug.cgi?id=1056176
https://bugzilla.redhat.com/show_bug.cgi?id=1152322
https://bugzilla.redhat.com/show_bug.cgi?id=1153833
Merge pull request #900 from eclarizio/bz1056176

Fix reorder issue for DynamicDropDownLists when refreshed with button