Daniel Ulbricht, Joseph Gordon and Jovani Furlan in Jerome Robbins’Fancy Free.Photo credit: Erin Baiano The NYCB Saturday matinee program of Balanchine/Robbins classics was sheer delight. Focusing on the dancers, the Act II of Balanchine’s Swan Lake demands and embodies exquisite dancing—and the dancers deliver. Standouts were the agile Megan LeCrone, a quick-spotting and precise turner,…