ERP5Workflow: rename my_for_status in my_status_included

for naming consistency

bt5/erp5_workflow/SkinTemplateItem/portal_skins/erp5_workflow/Variable_view.xml

@@ -90,7 +90,7 @@
                         <string>my_title</string>
                         <string>my_description</string>
                         <string>my_for_catalog</string>
-                        <string>my_for_status</string>
+                        <string>my_status_included</string>
                         <string>my_automatic_update</string>
                         <string>my_variable_value</string>
                         <string>my_variable_expression</string>