Fix some master3 edit issues for products view

tailbone/views/products.py

@@ -498,9 +498,8 @@ class ProductsView(MasterView):
         form = self.make_form(instance)
         product_deleted = instance.deleted
         if self.request.method == 'POST':
-            if form.validate():
-                self.save_form(form)
-                self.after_edit(instance)
+            if self.validate_form(form):
+                self.save_edit_form(form)
                 self.request.session.flash("{} {} has been updated.".format(
                     self.get_model_title(), self.get_instance_title(instance)))
                 return self.redirect(self.get_action_url('view', instance))