fix general highlights at index page

Signed-off-by: Matheus Agio Nerone <man13@inf.ufpr.br>

app/views/welcome/index.html.erb

@@ -48,9 +48,7 @@
       <% if @General.present? %>
       <ul class="list-unstyled">
         <h2>Destaques</h2>
-          <% @General.each do |object| %>
-            <%= render 'shared/application/object_horizontal', object: object  %>
-          <% end %>
+          <%= render @General, orientation: 'horizontal'  %>
         <% end %>
       </ul>
     </div>