As befits a play about Judy Garland, a woman known for liberally mixing her pills, Peter Quilter’s “End of the Rainbow” is a jolting upper and downer at the same time. After watching Tracie Bennett’s electrifying interpretation of Garland in the intense production that opened on Monday night at the Belasco Theater, you feel exhilarated and exhausted, equally ready to dance down the street and crawl under a rock.....Ms. Bennett seems to keep every chapter of that history, and the disjunctive reality it created, alive in her performance. Foul-mouthed, flirtatious, hypersexual, childlike (though never innocent), unedited, manipulative and supremely self-conscious: Ms. Bennett’s Garland is all these things as she makes love and war with Mickey and Anthony.