Just blocks from the boardwalk of one of the Jersey Shore’s most visited beaches, the Holy Spirit Church towers over Asbury Park as a vestige of another age. Almost as old as the city itself, the 142-year-old Catholic church is the oldest in the Trenton Diocese and is filled with stained glass, marble statues and elaborately carved stations of the cross. “It’s a work of art, it’s an absolute work of art,” said Thomas De Seno, an Asbury Park resident, former parishioner and graduate of Holy Spirit’s long-closed grammar school. Earlier this year, it appeared the now-unused church might be demoli…