MINOR: the autocomplete field AjaxMemberLookup? should be only applied to the defined input field with has "text" class. This is for performance imporovement (merged from branches/2.3-nzct)
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/trunk@82092 467b73ca-7a2a-4603-9d3b-597d59a354a9