Use dedicated skin selection name.

bt5/erp5_web_ung_theme/PathTemplateItem/web_site_module/ung.xml

@@ -172,10 +172,6 @@
             <key> <string>id</string> </key>
             <value> <string>ung</string> </value>
         </item>
-        <item>
-            <key> <string>last_id</string> </key>
-            <value> <string>3</string> </value>
-        </item>
         <item>
             <key> <string>layout_configuration_form_id</string> </key>
             <value> <string>WebSection_viewDefaultThemeConfiguration</string> </value>
@@ -190,6 +186,10 @@
               <none/>
             </value>
         </item>
+        <item>
+            <key> <string>skin_selection_name</string> </key>
+            <value> <string>UNGDoc</string> </value>
+        </item>
         <item>
             <key> <string>static_language_selection</string> </key>
             <value> <int>1</int> </value>

bt5/erp5_web_ung_theme/bt/revision

-375
\ No newline at end of file
+376
\ No newline at end of file