Revert "Revert "erp5_web: missing skin selection name""

This reverts commit 151db86e.

bt5/erp5_web/RegisteredSkinSelectionTemplateItem/registered_skin_selection.xml

 <registered_skin_selection>
  <skin_folder_selection>
   <skin_folder>erp5_web_redirect_assist</skin_folder>
-  <skin_selection>RedirectAssist</skin_selection>
+  <skin_selection>AppCache,RedirectAssist</skin_selection>
  </skin_folder_selection>
  <skin_folder_selection>
   <skin_folder>erp5_xhtml_style</skin_folder>

bt5/erp5_web/bt/template_registered_skin_selection_list

+erp5_web_redirect_assist | AppCache
 erp5_web_redirect_assist | RedirectAssist
 erp5_xhtml_style | RedirectAssist
\ No newline at end of file