fix display central - see #5139

git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@23240 35612d4c-9d10-0410-837c-bf9dd1be60d7
don't allow parameter if no right

git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@23241 35612d4c-9d10-0410-837c-bf9dd1be60d7
fix display

git-svn-id: https://forge.indepnet.net/svn/glpi/trunk@23242 35612d4c-9d10-0410-837c-bf9dd1be60d7