Fix docker entrypoint failure when host user is 'ubuntu'#415

jo-fra wants to merge 1 commit intoisaac-sim:release/0.1.1isaac-sim/IsaacLab-Arena:release/0.1.1from

jo-fra:fix/docker-entrypoint-group-orderingjo-fra/IsaacLab-Arena:fix/docker-entrypoint-group-orderingCopy head branch name to clipboard