Trikafta appears to be a miracle drug for cystic fibrosis sufferers, who are sharing their stories on YouTube — “I don’t know why I’m so nervous,” Stephi Lee Wright says, as she pops the foil on her first dose of Trikafta. In her video, “The Drug That Could Save My Life: First 2 Weeks (Actual hell)” the 25-year-old shares the unpleasant side of healing. “I’ve been coughing up so…