Bug 330112 [Compatibility] Outline view menu only shows up once per switch
It shows up once after switching to a specific java editor, and then it won't show up again until you switch editors. PW
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/RenderedToolBarRenderer.java
* @see
	 * org.eclipse.e4.ui.internal.workbench.swt.AbstractPartRenderer#postProcess
	 * (org.eclipse.e4.ui.model.application.ui.MUIElement)
	 */
	@Override
	public void postProcess(MUIElement element) {
		ToolBar tb = (ToolBar) element.getWidget();
		if (((EObject) element).eContainer() instanceof MPart) {
			MPart part = (MPart) ((EObject) element).eContainer();
			MMenu viewMenu = getViewMenu(part);
			
			if (viewMenu != null) {
				addMenuButton(part, tb, viewMenu);
			}
		}
		tb.pack();
		tb.setVisible(true);
		super.postProcess(element);
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * org.eclipse.e4.ui.workbench.renderers.swt.SWTPartRenderer#disposeWidget
	 * (org.eclipse.e4.ui.model.application.ui.MUIElement)
	 */
	@Override
	public void disposeWidget(MUIElement element) {
		ToolBar tb = (ToolBar) element.getWidget();
		tb.setVisible(false);