public final WorkbenchBuilder navigationDrawerItems(MenuItem... navigationDrawerItems) {
            this.navigationDrawerItems = navigationDrawerItems;
            return this;
        }
Defines the {@link MenuItem}s, which will be rendered using the respective {@code
navigationDrawerFactory}.

@param navigationDrawerItems the {@link MenuItem}s to display or null, if there should be no
                             menu
@return builder for chaining
@implNote the menu button will be hidden, if null is passed to {@code navigationDrawerItems}
workbenchfx-core/src/main/java/com/dlsc/workbenchfx/Workbench.java