Changes a realm's name, description or whole override object.
The domain is fixed at creation and cannot change.
the realm id
{ name, description, overrides, domain, replicated, retiringSince }; replicated marks another process's change
{ name, description, overrides, domain, replicated, retiringSince }
replicated
{ ok: true, errors: [], realm }, or { ok: false, errors } with an error code
{ ok: true, errors: [], realm }
{ ok: false, errors }
Changes a realm's name, description or whole override object.
The domain is fixed at creation and cannot change.