A Repeat-Dose, Open-Label, Two Arm Safety and Efficacy Study of Two Doses of VP-001 (30 μg and 75 μg) Administered Intravitreally in Participants With Confirmed PRPF31 Mutation-Associated Retinal Dystrophy, Including Participants Previously Treated With VP001 in the PLATYPUS Study (Protocol # VP001-101) or WALLABY Study (Protocol # VP001-102) for a Minimum of 8 Weeks | Arctuva