backport fix qos update ovirt_vnic_profile (#59862)

Update ovirt_vnic_profile.py (#56518)

qos is not defined when port_mirroring is enabled, a NoneType is returned for entity.qos in this case
getattr is safer to use than using a direct call to entity.qos.name

changelogs/fragments/59862-ovirt-vnic-profile-qos-update-fix.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - ovirt_vnic_profile - fix for updating vnic profile (https://github.com/ansible/ansible/pull/56518)

lib/ansible/modules/cloud/ovirt/ovirt_vnic_profile.py

@@ -224,7 +224,7 @@ class EntityVnicPorfileModule(BaseModule):
             equal(self.param('pass_through'), getattr(entity.pass_through.mode, 'name', None)) and
             equal(self.param('description'), entity.description) and
             equal(self.param('network_filter'), getattr(entity.network_filter, 'name', None)) and
-            equal(self.param('qos'), entity.qos.name) and
+            equal(self.param('qos'), getattr(entity.qos, 'name', None)) and
             equal(self.param('port_mirroring'), getattr(entity, 'port_mirroring', None))
         )