Bug 189490 [CommonNavigator] Go To->Resource won't enable
I0524 1. Open the Project Explorer in the Resource perspective 2. Create a vanilla project P 3. Create a folder F 4. Create a file resource R Open the Navigate->Go To file. "Resource..." will remain disabled.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/navigator/resources/ProjectExplorer.java
/**
	 * Provides a constant for the standard instance of the Common Navigator.
	 * 
	 * @see PlatformUI#getWorkbench()
	 * @see IWorkbench#getActiveWorkbenchWindow()
	 * @see IWorkbenchWindow#getActivePage()
	 * 
	 * @see IWorkbenchPage#findView(String)
	 * @see IWorkbenchPage#findViewReference(String)
	 */
	public static final String VIEW_ID = "org.eclipse.ui.navigator.ProjectExplorer"; 
}