enable deferred translation for a Span representation

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22206 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
enable translated output for this report

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@22208 4ae1f11a-8b86-4847-b8af-ab372f36d1fd