Resolve "Defaul global unit system"

docs/reference/annotations.md

gui/src/components/archive/ArchiveBrowser.js

gui/src/components/archive/QuantityItemPreview.spec.js

gui/src/components/archive/Section.spec.js

gui/src/components/archive/visualizations.js

gui/src/components/editQuantity/NumberEditQuantity.js

gui/src/components/editQuantity/NumberEditQuantity.spec.js

gui/src/components/entry/OverviewView.js

gui/src/components/units/UnitContext.js

gui/src/components/units/UnitContext.spec.js

gui/src/components/units/UnitMenu.js

gui/src/components/units/useDisplayUnit.js

nomad/datamodel/metainfo/annotations.py