Watching Tanner Cohen brought Adam Lambert to mind – I’d really like to see him take on the role of “Puck” – and this musical adaptation of Shakespeare's "A Midsummer Night's Dream" is certainly exuberant, even if it’s fun. Initially, I had a moment of hesitation, thinking, here we go again with another movie about gay teen struggles, but that wasn't really the case. He portrays a young man who's having a hard time a…