By Stephanie Apstein When he’s not bullying opposing hitters, he’s known to set his sights on his own clubhouse. The key question is whether he can push around his own body. As the executive director of the Mets’ Florida facility, Paul Taglieri works through a list of duties longer than the line at the Citi Field Shake Shack. He oversees the grounds crew. He fixes anything that breaks. He distributes hats to the janitorial staff. One thing he does not do anymore, though, is escort the major league team onto the field for spring training games. He had to give that up a couple of years ago, beca…