The Council of Fashion Designers of America/Vogue Fashion Fund has catapulted designers to stardom and turns 20 this year. Amid the curated electronic music, models’ cold stares and magazine editors lining the runway at New York Fashion Week this season, several designers felt a particular sense of urgency.In a little over a month, they will learn whether they have won of one of the most coveted competitions for emerging designers: The Council of Fashion Designers of America/Vogue Fashion Fund.The fund, which has catapulted past participants including Proenza Schouler and Thom Browne into the upper echelons of fashion, marks its 20th anniversary this year.