Fixes problematic nexus and pynxtools merges

Dockerfile

gui/tests/artifacts.js

nomad/datamodel/metainfo/eln/nexus_data_converter.py

nomad/metainfo/elasticsearch_extension.py

nomad/metainfo/metainfo.py

nomad/metainfo/nexus.py

nomad/normalizing/metainfo.py

nomad/parsing/nexus/nexus.py

pyproject.toml

requirements-dev.txt

requirements.txt

scripts/check_python_dependencies.sh

scripts/setup_dev_env.sh

tests/data/parsers/nexus/SiO2onSi.ellips.nxs