A 29-year-old man who police say scrawled anti-Muslim graffiti on the property of a mosque in Bridgewater last week has been arrested, authorities said. Julian A. Dale, of Somerville, was charged with one count of fourth-degree bias intimidation, Bridgwater police said. Dale parked near the Al Fallah Center on Routes 202/206 around 6:30 p.m. Friday, authorities said. An employee noticed the graffiti on a pillar near the entrance a few minutes later, Bridgewater police said. He was arrested Monday and sent to the Somerset County jail. Attorney information wasn’t immediately available. The graff…