Add fix_wizard_copy.diff that was removed

From changeset-29ffbd47af18

fix_wizard_copy.diff

@@ -0,0 +1,21 @@
+diff --git a/trytond/ir/action.py b/trytond/ir/action.py
+--- a/trytond/trytond/ir/action.py
++++ b/trytond/trytond/ir/action.py
+@@ -149,13 +149,13 @@
+     def check_wizard_model(self):
+         ActionWizard = Pool().get('ir.action.wizard')
+         if self.action.type == 'ir.action.wizard':
+-            action_wizard, = ActionWizard.search([
++            action_wizards = ActionWizard.search([
+                 ('action', '=', self.action.id),
+                 ], limit=1)
+-            if action_wizard.model:
+-                if self.model.__name__ != action_wizard.model:
++            if action_wizards and action_wizards[0].model:
++                if self.model.__name__ != action_wizards[0].model:
+                     self.raise_user_error('wrong_wizard_model', (
+-                            action_wizard.rec_name,))
++                            action_wizards[0].rec_name,))
+ 
+     @staticmethod
+     def _convert_vals(vals):