Fix osc sd create command

the os_no_auth arg is only available in heat CLI, not openstack one.

Change-Id: Idf0c83304204e98909b8c876861b8ef9b0974f47
Story: 2010282
Task: 46253

heatclient/common/deployment_utils.py

@@ -119,7 +119,9 @@ def build_signal_id(hc, args):
     if args.signal_transport != 'TEMP_URL_SIGNAL':
         return
 
-    if args.os_no_client_auth:
+    # NOTE(pas-ha) only heatclient has os-no-client-auth arg,
+    # osc plugin does not have it
+    if getattr(args, 'os_no_client_auth', False):
         raise exc.CommandError(_(
             'Cannot use --os-no-client-auth, auth required to create '
             'a Swift TempURL.'))