fix(cgi-bin): always wait until job is done before responding

cgi-bin/manage_vnc_pipes

@@ -114,14 +114,14 @@ if ($server_uuid)
 		job_title       => "job_0350"
 	});
 
-	if ($is_open)
-	{
-		# Wait until the job is complete before fetching for the results.
+	# Wait until the job is complete before continuing.
 	while($anvil->Job->get_job_details({ job_uuid => $job_uuid }))
 	{
 		sleep(2);
 	}
 
+	if ($is_open)
+	{
 		$response_body = get_vnc_pipe_info({ server_uuid => $server_uuid, host_uuid => $host_uuid });
 	}
 }