[0.85] No search for dropdown when list too short


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20611 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] new user dropdown


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20612 35612d4c-9d10-0410-837c-bf9dd1be60d7