Bug 304870 [Compatibility] Cannot show view after performing DND
1. Drag the 'Problems' view to another position in the bottom stack. 2. Window > Show View > History 3. Nothing happens.
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/workbench/swt/internal/E4Application.java
private String[] args;
	private ResourceHandler handler;
	private Display display = null;
	public Display getApplicationDisplay() {
		if (display == null) {
			display = Display.getDefault();
		}
		return display;
	}
	public Object start(IApplicationContext applicationContext)
			throws Exception {
		Display display = getApplicationDisplay();
		E4Workbench workbench = createE4Workbench(applicationContext);
		
		workbench.createAndRunUI(workbench.getApplication());