Scott D. Pierce: ‘Star Trek: Lower Decks’ wants to be funny. It usually isn’t.

Since the beginning of “Star Trek” 54 years ago, humor has been part of its equation. Who could forget the smile-inducing interplay among Kirk, Spock and McCoy — a theme that continued in all the “Trek” series and films that followed.But no incarnation of “Star Trek” has been a flat-out comedy. Until now.The animated “Star Trek: Lower Decks” is designed to make you laugh, not just smile. And it might make you chuckle — occasionally. But