Listbox from Folder_viewWorkflowActionDialog has hidden columns

This partially reverts fac0ba5a

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Folder_viewWorkflowActionDialog/workflow_action_listbox.xml

@@ -102,19 +102,19 @@
                         </tuple>
                         <tuple>
                           <string>portal_type</string>
-                          <string>Portal Type</string>
+                          <string></string>
                         </tuple>
                         <tuple>
                           <string>state_var</string>
-                          <string>Variable</string>
+                          <string></string>
                         </tuple>
                         <tuple>
                           <string>workflow_state</string>
-                          <string>State ID</string>
+                          <string></string>
                         </tuple>
                         <tuple>
                           <string>relative_url</string>
-                          <string>Relative URL</string>
+                          <string></string>
                         </tuple>
                       </list>
                     </value>

product/ERP5/bootstrap/erp5_core/bt/revision

-41092
\ No newline at end of file
+41093
\ No newline at end of file