portal_type in listbox should not generate link to call script but instead its "view" method.

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

@@ -181,6 +181,10 @@
                           <string>owner_title</string>
                           <string>PythonScript_getViewActionUrl</string>
                         </tuple>
+                        <tuple>
+                          <string>portal_type</string>
+                          <string>PythonScript_getViewActionUrl</string>
+                        </tuple>
                       </list>
                     </value>
                 </item>