improve user client side translations

app/views/user/active_list.html.slim

@@ -1,7 +1,7 @@
 .page-header
   .table-number
   .supplier-name
-  h4= t('user.active_list.title', list: List.model_name.human)
+  h4 data-t="active_list.title" = t('user.active_list.title', list: List.model_name.human)
 .form-actions
   = link_to t('helpers.links.place_order'), user_list_products_path, class: ['user-top-button'], id: 'place-order-on-list'
   span#list-needs-payment-button.user-top-button
@@ -10,8 +10,8 @@
   table#active-list-table.table
     thead
       tr
-        th= Order.model_name.human
-        th.currency= Product.human_attribute_name(:price)
+        th data-t="models.order" = Order.model_name.human
+        th.currency data-t="attributes.product.price" = Product.human_attribute_name(:price)
     tbody
       tr
         td colspan=2 = slider_image