anchor.diff:      <% if can? :index, Spree::CustomerReturn %>
         <% if @order.completed? %>
           <li<%== ' class="active"' if current == 'Customer Returns' %>>
  -          <%= link_to_with_icon 'return', Spree.t(:customer_returns), admin_order_customer_returns_url(@order) %>
  +          <%= link_to_with_icon 'transfer', Spree.t(:customer_returns), admin_order_customer_returns_url(@order) %>
           </li>
         <% end %>
       <% end %>
   
       <% if can? :update, @order %>
         <li<%== ' class="active"' if current == 'State Changes' %> data-hook='admin_order_tabs_state_changes'>
  -        <%= link_to_with_icon 'file', Spree::StateChange.human_attribute_name(:state_changes), admin_order_state_changes_url(@order) %>
  +        <%= link_to_with_icon 'refresh', Spree::StateChange.human_attribute_name(:state_changes), admin_order_state_changes_url(@order) %>
         </li>
       <% end %>
     </ul>
  
positive.code:     <% if can? :index, Spree::ReturnAuthorization %>
        <% if @order.completed? %>
          <li<%== ' class="active"' if current == 'Returns' %> data-hook='admin_order_tabs_return_authorizations'>
            <%= link_to_with_icon 'return', Spree.t(:returns), admin_order_return_authorizations_url(@order) %>
          </li>
        <% end %>
      <% end %>
  
negative.code: 
      <% if can? :update, @order %>
        <li<%== ' class="active"' if current == 'Shipments' %> data-hook='admin_order_tabs_shipment_details'>
          <%= link_to_with_icon 'road', Spree.t(:shipments), edit_admin_order_url(@order) %>
        </li>
      <% end %>
  
  