Always load formatter scripts for when the description is read-only on page load (#16161).

git-svn-id: http://svn.redmine.org/redmine/trunk@12941 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/views/issues/_form.html.erb

@@ -43,3 +43,5 @@
 
 <%= call_hook(:view_issues_form_details_bottom, { :issue => @issue, :form => f }) %>
 <% end %>
+
+<% heads_for_wiki_formatter %>