fix MR comments

app/views/broadcasts/_file.html.erb

@@ -1,4 +1,5 @@
 <div class="row">
+  <% broadcast = file.record %>
   <% show_delete = controller.class.module_parent.to_s == "Public" ? false : policy(broadcast).destroy_file? %>
   <% file_class = show_delete ? "col-8" : "col-12" %>
   <div class="<%= file_class %>">
@@ -17,7 +18,6 @@
   </div>
   <% if show_delete %>
     <div class="col-4 align-self-center p-0 m-0">
-      <% broadcast = local_assigns[:broadcast] %>
       <% url = url_for [:destroy_file, broadcast.project, broadcast, { file_id: file.id }] %>
       <%= link_to fa_icon("trash fw", text: t('.actions.delete_file')), url, class: "btn btn-danger", remote: true, method: :delete, data: { confirm: t('.confirm_delete') } %>
     </div>