[0.85] Wrong heading field empty adding a new document to a ticket see #4232


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20270 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] fix tab name


git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20272 35612d4c-9d10-0410-837c-bf9dd1be60d7