Bug 137310 [CommonNavigator] NewActionProvider should use a different name than the group.new marker
The NewActionProvider should use a name like "group.new.menu" instead of "group.new" as the name of its submenu to avoid conflics with the Menu.findByPath() API.
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/internal/navigator/resources/actions/NewActionProvider.java
.getWorkbench().getNewWizardRegistry(),
					WizardActionGroup.TYPE_NEW, anExtensionSite.getContentService());
			
			contribute = true;
		}
	}
	/**
	 * Adds a submenu to the given menu with the name
	 * "group.new" see {@link ICommonMenuConstants#GROUP_NEW}). 
	 * The submenu contains the following structure:
	 * 
	 * <ul>
	 * <li>a new generic project wizard shortcut action, </li>
	 * <li>a separator, </li>
	 * <li>a set of context senstive wizard shortcuts (as defined by
	 * <b>org.eclipse.ui.navigator.commonWizard</b>), </li>
	 * <li>another separator, </li>
	 * <li>a generic examples wizard shortcut action, and finally </li>
	 * <li>a generic "Other" new wizard shortcut action</li>
	 * </ul>
	 */
	public void fillContextMenu(IMenuManager menu) {
		IMenuManager submenu = new MenuManager(
				WorkbenchNavigatorMessages.NewActionProvider_NewMenu_label,
				ICommonMenuConstants.GROUP_NEW);
		if(!contribute) {
			return;
		}
		
		submenu.add(newProjectAction);