Bug 319732 Views with a menu but no toolbar has no menu on restart
Views like the 'Problems' view and 'Outline' view has its view menu on the first startup. When you restart, those view menus disappear.
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/ui/workbench/renderers/swt/StackRenderer.java
return null;
	}
	@Override
	public void hideChild(MElementContainer<MUIElement> parentElement,
			MUIElement child) {
		super.hideChild(parentElement, child);
		CTabFolder ctf = (CTabFolder) parentElement.getWidget();
		if (ctf == null)
			return;
		
		CTabItem cti = findItemForPart(child, parentElement);
		if (cti != null) {
			cti.setControl(null);
			cti.dispose();
		}
		
		if (parentElement.getSelectedElement() == child) {
			
			Control tb = ctf.getTopRight();
			if (tb != null) {
				ctf.setTopRight(null);
				tb.dispose();
			}
			
			
			MUIElement defaultSel = getFirstVisibleElement(parentElement);
			parentElement.setSelectedElement(defaultSel);
		}
	}
	private MUIElement getFirstVisibleElement(