Charly Triballeau/AFP via Getty ImagesA horn player sidelined by the New York Philharmonic over a vile sexual assault allegation is suing the venerable symphony orchestra for his job back, insisting the encounter with a fellow musician who says she was drugged and raped ”was consensual” and that “no drugs were involved.”Details of the alleged attack first publicly surfaced in a New York magazine article published last month. “A Hidden Sexual-Assault Scandal at the New York Philharmonic,” the hea