workflow reassign: change all evolution items status

wcs/admin/forms.ptl

@@ -581,12 +581,15 @@ class FormDefPage(Directory):
                     form.get_widget('mapping-%s' % status.id).parse()
         for item in self.formdef.data_class().select():
             item.status = status_mapping.get(item.status)
+            if not item.evolution:
+                item.evolution = []
+            else:
+                for evo in item.evolution:
+                    evo.status = status_mapping.get(evo.status)
             evo = Evolution()
             evo.time = time.localtime()
             evo.status = item.status
             evo.comment = _('Administrator changed workflow, reassigned status')
-            if not item.evolution:
-                item.evolution = []
             item.evolution.append(evo)
             item.store()