Gun safety activists breathed a sigh of relief last week when the Supreme Court upheld a law prohibiting people with domestic violence restraining orders from possessing firearms by a commanding 8-1 margin. But they shouldn’t breathe too easily, wrote two legal experts for Slate. The right-wing justices didn’t actually resolve anything over gun rights — they just made it even more confusing. The case, United States v. Rahimi, was a major test of New York State Pistol & Rifle Association v. Bruen, a Clarence Thomas-authored opinion that took an absolutist stance on the Second Amendment to strik…