docs: def render_select_site_form(self, request, context, form_url=''):
          """
          Render the site choice form.
          """
          app_label = self.opts.app_label
          context.update({
              'has_change_permission': self.has_change_permission(request),
              'form_url': mark_safe(form_url),
              'opts': self.opts,
              'add': True,
              'save_on_top': self.save_on_top,
          })
  
          return render_to_response(self.select_site_form_template or [
              'admin/%s/%s/select_site_form.html' % (app_label, self.opts.object_name.lower()),
              'admin/%s/select_site_form.html' % app_label,
              'admin/usersettings/select_site_form.html',  # added default here
              'admin/select_site_form.html'
          ], context)