Cannot decorate template of maMenuBarDirective

[Phocea]

Description

I am simply trying to provide a new template to the menuBarDirective. However it is never used

myApp.config(function(NgAdminConfigurationProvider, $provide) {

        $provide.decorator('maMenuBarDirective', ['$delegate', function ($delegate) {

            $delegate[0].template = '<div class="navbar-default sidebar" role="navigation">TEST</div>';
            console.log($delegate);
            return $delegate;
        }]);
});

Steps to Reproduce

Execute http://plnkr.co/edit/fVCo93?p=preview

Expected behavior: The menu should display TEST, as per the decorator template

Actual behavior: The default menu template is still used

[Phocea]

Current workaround is to decorate the whole link method of the menuBarDirective. We have to decide if this is acceptable or if the directive should be refactored to ease templating

[fzaninotto]

Normally, you can use template() on the topmost menu, so for the general case, it's already possible. You probably need more than that, and in this case it's not supported.