Fix that selected gantt columns are not displayed with MS Edge Legacy (#33724).

Patch by Yuichi HARADA.


git-svn-id: http://svn.redmine.org/redmine/trunk@19899 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/queries/_columns.html.erb

@@ -36,7 +36,7 @@
 <%= javascript_tag do %>
 $(document).ready(function(){
   $('.query-columns').closest('form').submit(function(){
-    $('#<%= selected_tag_id %> option').prop('selected', true);
+    $('#<%= selected_tag_id %> option:not(:disabled)').prop('selected', true);
   });
 });
 <% end %>