New element panel : add a "show only this dir" Qaction.

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4355 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/ElementsCollection/xmlprojectelementcollectionitem.cpp

@@ -99,7 +99,7 @@ QVariant XmlProjectElementCollectionItem::data(int column, int role)
 				return collectionPath();
 			break;
         default:
-            return QVariant();
+			return ElementCollectionItem::data(column, role);
 	}
 }