slapos_cloud: Update test to follow up security restrictions

The Owner is not assignee anymore, only the destination_section of the hosting subscription.

master/bt5/slapos_cloud/TestTemplateItem/portal_components/test.erp5.testSlapOSCloudWorkflow.py

@@ -2749,6 +2749,7 @@ class TestSlapOSCoreSlapOSCloudInteractionWorkflow(SlapOSTestCaseMixin):
       sla_xml=self.generateSafeXml(),
       shared=True,
     )
+    self.commit()
     instance.requestStop(**request_kw)
     self.assertEqual(instance.getValidationState(), 'draft')
     instance.validate()