Assume forms support Buefy if theme does; fix basic CRUD views

tailbone/templates/forms/deform_buefy.mako

@@ -1,6 +1,7 @@
 ## -*- coding: utf-8; -*-
 
 <script type="text/x-template" id="buefy-form-template">
+  <div>
   % if not form.readonly:
   ${h.form(form.action_url, id=dform.formid, method='post', enctype='multipart/form-data', **form_kwargs)}
   ${h.csrf_token(request)}
@@ -54,6 +55,7 @@
   % if not form.readonly:
   ${h.end_form()}
   % endif
+  </div>
 </script>