A Study to Assess the Effect of Oral Temanogrel on Digital Blood Flow in Adult Participants With Raynaud’s Phenomenon Secondary to Systemic Sclerosis. A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled, Crossover Study to Assess the Effect of Oral Temanogrel on Digital Blood Flow in Subjects With Raynaud’s Phenomenon Secondary to Systemic Sclerosis.