use getPhysicalPath in order to avoid confusion if an id contains portal_trash in it

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@13961 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Core/Folder.py

@@ -105,7 +105,7 @@ class FolderMixIn(ExtensionClass.Base):
     myType = pt.getTypeInfo(container)
     if myType is not None:
       if not myType.allowType( portal_type ):
-        if not 'portal_trash' in container.getPath():
+        if not 'portal_trash' in container.getPhysicalPath():
           raise ValueError('Disallowed subobject type: %s' % portal_type)
 
     pt.constructContent( type_name=portal_type,