add condition for rules : manage field display / list display see #4725


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22358 35612d4c-9d10-0410-837c-bf9dd1be60d7
Limit rules execution to only updates one see #4725


git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@22359 35612d4c-9d10-0410-837c-bf9dd1be60d7