How to give Editor access to selected menu items

I'm using the Adminimize plugin to control what menu items an Editor can access. Adminimize deactivates the dashboard for users. I need to give the Editor access to the Appearance Menu and the Widgets submenu. I've added the following code to functions.php

// get the the role object
$role_object = get_role('editor');

// add $cap capability to this role object
$role_object->add_cap( 'edit_theme_options' );

I also deactivated Themes, Editor, and Add New Themes (Appearance submenu) in the Menu Options in the Adminimize settings.

However, when I access the Editor's backend, the Appearance Menu and the Widgets submenu are not showing.

What needs to be done to give Editor access to manage Widgets?