made availability check the data container to ensure the correct order of starting the containers

docker-compose.yml

@@ -34,6 +34,7 @@ services:
       - onlyoffice-redis
       - onlyoffice-rabbitmq
     environment:
+      - ONLYOFFICE_DATA_CONTAINER_HOST=onlyoffice-documentserver-data
       - BALANCE=uri depth 3
       - HTTP_CHECK=GET /healthcheck
       - EXTRA_SETTINGS=http-check expect string true