webhook secret priority

app/jobs/send_form_completed_webhook_request_job.rb

@@ -28,9 +28,9 @@ class SendFormCompletedWebhookRequestJob
                      timestamp: Time.current,
                      data: Submitters::SerializeForWebhook.call(submitter)
                    }.to_json,
-                   **webhook_url.secret.to_h,
                    'Content-Type' => 'application/json',
-                   'User-Agent' => USER_AGENT)
+                   'User-Agent' => USER_AGENT,
+                   **webhook_url.secret.to_h)
     rescue Faraday::Error
       nil
     end

app/jobs/send_submission_completed_webhook_request_job.rb

@@ -24,9 +24,9 @@ class SendSubmissionCompletedWebhookRequestJob
                      timestamp: Time.current,
                      data: Submissions::SerializeForApi.call(submission)
                    }.to_json,
-                   **webhook_url.secret.to_h,
                    'Content-Type' => 'application/json',
-                   'User-Agent' => USER_AGENT)
+                   'User-Agent' => USER_AGENT,
+                   **webhook_url.secret.to_h)
     rescue Faraday::Error
       nil
     end