Zach Shallcross will serve as the next “Bachelor” for ABC’s long-running dating competition series. The “Bachelorette” didn’t work out the way contestant and Anaheim Hills resident Zach Shallcross planned, which is why he’s giving the process another chance as the next star of ABC’s the “Bachelor.” During the Tuesday finale of its historic “Bachelorette” season that featured two leads instead …