A police officer has been left wounded and an alleged shooter dead after a gunfight erupted between police and a suspect Monday night. The Pasadena Police Department responded to a gunshot victim around 7:30 p.m. near the Metro Homestead Station at Electronic Drive and Sierra Madre Villa Avenue, a watch commander told The Post. When officers arrived on the scene, they found a man had been shot in the shoulder and obtained a description of the alleged shooter, which soon led to a pursuit and an