Modify the webhook debounce logic

to check if we've already previously run a job with the same webhook
GUID plus template id.  This will allow organizations to write
multiple JT/WFJTs to handle the same set of webhook events.

awx/api/views/webhooks.py

@@ -134,6 +134,7 @@ class WebhookReceiverBase(APIView):
         status_api = self.get_event_status_api()
 
         kwargs = {
+            ('job_template_id' if isinstance(obj, JobTemplate) else 'workflow_job_template_id'): obj.id,
             'webhook_service': obj.webhook_service,
             'webhook_guid': event_guid,
         }