[LMS-1689] show tab header

SVN: 17847

openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/widget/SectionsPanel.java

@@ -164,7 +164,6 @@ public class SectionsPanel extends LayoutContainer
             setLayout(new FitLayout());
             this.setPanel(panel);
             setText(panel.getHeading());
-            panel.setHeaderVisible(false);
             add(panel);
 
             addListener(Events.Select, new Listener<TabPanelEvent>()