ofelia: limit scope to mailcow project (#5776)

* Filter to limit ofelia scope

See https://github.com/mailcow/mailcow-dockerized/issues/5775

* compose: added ${COMPOSE_PROJECT_NAME} ENV to ofelia container

docker-compose.yml

@@ -594,9 +594,10 @@ services:
     ofelia-mailcow:
       image: mcuadros/ofelia:latest
       restart: always
-      command: daemon --docker
+      command: daemon --docker -f label=com.docker.compose.project=${COMPOSE_PROJECT_NAME}
       environment:
         - TZ=${TZ}
+        - COMPOSE_PROJECT_NAME=${COMPOSE_PROJECT_NAME}
       depends_on:
         - sogo-mailcow
         - dovecot-mailcow