Beer to cry into? Check. Cigarettes to hide your already red-rimmed eyes? Check. A broken heart and a profound sense of melancholy? Check. These items firmly in hand, one is ready to enjoy Magnolia Electric Co. in all their ragged glory. The band’s return to D.C. last night at the Black Cat, a mere six months after their previous appearance, this time in support of the newly released Fading Trails, was everything we’ve come to…