ERP5Site.py: install ERP5Workflow Tool instead of CMFWorkflow tool during the creation of the site.

product/ERP5/ERP5Site.py

@@ -1716,6 +1716,7 @@ class PortalGenerator:
         addCMFDefaultTool('Default Properties Tool', None)
         addCMFDefaultTool('Default Metadata Tool', None)
         addCMFDefaultTool('Default Syndication Tool', None)
+        addERP5Tool(p, 'portal_workflow', 'Workflow Tool')
 
         # try to install CMFUid without raising exceptions if not available
         try: