Keep up to date the string of folio in the old element panel, when user change the option "Use labels of folio instead of their ID" in the Configure QElectroTech Dialog

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4706 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetdiagrameditor.cpp

@@ -2005,6 +2005,10 @@ void QETDiagramEditor::cleanCurrentProject() {
 	}
 }
 
+void QETDiagramEditor::reloadOldElementPanel() {
+	pa->reloadAndFilter();
+}
+
 /**
  * @brief export nomemclature of schema
  */