ERP5Workflow: remove acquisition_portal_type on before/after/... scripts categories

product/ERP5/bootstrap/erp5_core/CategoryTemplateItem/portal_categories/activate_script.xml

@@ -16,7 +16,7 @@
         </item>
         <item>
             <key> <string>acquisition_portal_type</string> </key>
-            <value> <string>python: [\'Interaction\', \'Workflow Script\']</string> </value>
+            <value> <string>python: []</string> </value>
         </item>
         <item>
             <key> <string>categories</string> </key>

product/ERP5/bootstrap/erp5_core/CategoryTemplateItem/portal_categories/after_script.xml

@@ -16,7 +16,7 @@
         </item>
         <item>
             <key> <string>acquisition_portal_type</string> </key>
-            <value> <string>python: [\'Interaction\', \'Transition\', \'Workflow Script\']</string> </value>
+            <value> <string>python: []</string> </value>
         </item>
         <item>
             <key> <string>categories</string> </key>

product/ERP5/bootstrap/erp5_core/CategoryTemplateItem/portal_categories/before_commit_script.xml

@@ -16,7 +16,7 @@
         </item>
         <item>
             <key> <string>acquisition_portal_type</string> </key>
-            <value> <string>python:[\'Interaction\', \'Workflow Script\']</string> </value>
+            <value> <string>python:[]</string> </value>
         </item>
         <item>
             <key> <string>categories</string> </key>

product/ERP5/bootstrap/erp5_core/CategoryTemplateItem/portal_categories/before_script.xml

@@ -16,7 +16,7 @@
         </item>
         <item>
             <key> <string>acquisition_portal_type</string> </key>
-            <value> <string>python: [\'Interaction\', \'Transition\', \'Workflow Script\']</string> </value>
+            <value> <string>python: []</string> </value>
         </item>
         <item>
             <key> <string>categories</string> </key>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/WorkflowTool_convertWorkflow.py

@@ -10,8 +10,8 @@ if batch_mode == False and workflow_id_list is None:
   if workflow_list:
     for workflow in workflow_list:
       if workflow.get('listbox_selected'):
-        selected_workflow_list.append(context.getObjectFromPath(workflow.get('listbox_key')))
-  
+        selected_workflow_list.append(context.unrestrictedTraverse(workflow.get('listbox_key')))
+
   if len(selected_workflow_list) == 0:
     return context.REQUEST.RESPONSE.redirect(
              '%s/WorkflowTool_viewWorkflowConversion?'