Update webhook dispatch command for AIO

The listed command didn't work properly, had an unnecessary sudo inside the container, tried to open a TTY, and also duplicated the exec portion.

I've verified that this updated command works in a tmux session.

Signed-off-by: EncryptedGiraffe <hi@encryptedgiraffe.xyz>

Author: EncryptedGiraffe

admin_manual/webhook_listeners/index.rst

@@ -141,7 +141,7 @@ For Nextcloud-AIO you should use this command on the host server.
 
 .. code-block::
 
-   set -e; while true; do sudo docker exec -it nextcloud-aio-nextcloud docker exec -it nextcloud-aio-nextcloud sudo -E -u www-data php occ background-job:worker -v -t 60 "OCA\WebhookListeners\BackgroundJobs\WebhookCall"; done
+set -e; while true; do sudo docker exec -u www-data -i nextcloud-aio-nextcloud php occ background-job:worker -v -t 60 "OCA\\WebhookListeners\\BackgroundJobs\\WebhookCall"; done
 
 You may want to adjust the number of workers and the timeout (in seconds) to your needs.
 The logs of the worker can be checked by attaching to the screen or tmux session.