Run docker device as the same user as in the other containers. This fixes...

Run docker device as the same user as in the other containers. This fixes issues if the CONTAINER_EXECUTION_UID cannot be resolved within the container

docker-compose/device-docker.yml

@@ -29,7 +29,7 @@ services:
     volumes:
       - ..:/opt/lofar/tango:rw
       - /var/run/docker.sock:/var/run/docker.sock:rw # we want to control our sibling containers, NOT do docker-in-docker (dind)
-    user: ${CONTAINER_EXECUTION_UID}:${DOCKER_GID} # user that starts this container by definition has access rights to docker
+    user: 1000:${DOCKER_GID} # uid 1000 is the default "tango" user
     environment:
       - TANGO_HOST=${TANGO_HOST}
     entrypoint: