use empty string as list method so that listbox doesn't render a link

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@8574 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_viewWorkflowHistory/listbox.xml

@@ -470,6 +470,10 @@
                     <key> <string>not_viewable</string> </key>
                     <value> <int>0</int> </value>
                 </item>
+                <item>
+                    <key> <string>page_template</string> </key>
+                    <value> <string></string> </value>
+                </item>
                 <item>
                     <key> <string>portal_types</string> </key>
                     <value>
@@ -540,27 +544,27 @@
                       <list>
                         <tuple>
                           <string>action</string>
-                          <string encoding="base64">Jyc=</string>
+<string></string>
                         </tuple>
                         <tuple>
                           <string>state</string>
-                          <string encoding="base64">Jyc=</string>
+<string></string>
                         </tuple>
                         <tuple>
                           <string>actor</string>
-                          <string encoding="base64">Jyc=</string>
+<string></string>
                         </tuple>
                         <tuple>
                           <string>time</string>
-                          <string encoding="base64">Jyc=</string>
+<string></string>
                         </tuple>
                         <tuple>
                           <string>comment</string>
-                          <string encoding="base64">Jyc=</string>
+<string></string>
                         </tuple>
                         <tuple>
                           <string>error_message</string>
-                          <string encoding="base64">Jyc=</string>
+<string></string>
                         </tuple>
                       </list>
                     </value>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/BusinessTemplate_viewInstallationDialog/listbox.xml

@@ -445,6 +445,10 @@
                       <list/>
                     </value>
                 </item>
+                <item>
+                    <key> <string>page_template</string> </key>
+                    <value> <string></string> </value>
+                </item>
                 <item>
                     <key> <string>portal_types</string> </key>
                     <value>
@@ -515,11 +519,11 @@
                         </tuple>
                         <tuple>
                           <string>object_class</string>
-                          <string>None</string>
+<string></string>
                         </tuple>
                         <tuple>
                           <string>object_state</string>
-                          <string>None</string>
+<string></string>
                         </tuple>
                       </list>
                     </value>