The Supreme Judicial Court’s blockbuster ruling that local authorities can’t hold immigrants who are facing an ICE-ordered deportation without a criminal warrant is expected to fuel legislative attempts to make Massachusetts a sanctuary state.State Rep. Jamie Eldridge (D-Acton) — whose Safe Communities Act would bar the use of state or local resources for immigration enforcement — said yesterday’s decision is a boon to his cause, because it calls on lawmakers to rule how much power federal Immigration Customs Enforcement detainers have here.