Open links to download files in the same tab

Just like we did for documents in commit cdc5e05d4.

app/components/admin/machine_learning/setting_component.html.erb

@@ -20,7 +20,7 @@
         <dt><%= t("admin.machine_learning.output_files") %></dt>
         <dd>
           <% filenames.each do |filename| %>
-            <a href="<%= data_path(filename) %>" target="_blank"><%= filename %></a><br>
+            <a href="<%= data_path(filename) %>"><%= filename %></a><br>
           <% end %>
         </dd>
       </dl>

app/components/admin/machine_learning/settings_component.html.erb

@@ -9,7 +9,7 @@
     <p><strong><%= t("admin.machine_learning.data_folder_content") %></strong></p>
 
     <% filenames.each do |filename| %>
-      <a href="<%= data_path(filename) %>" target="_blank"><%= filename %></a><br>
+      <a href="<%= data_path(filename) %>"><%= filename %></a><br>
     <% end %>
   </div>
 </div>