Diddy appeared cool, calm, and collected while stepping out in West Hollywood for the first time since several individuals filed sexual assault lawsuits against him. The 54-year-old embattled star appeared unbothered as he flashed a smile and held up his finger to signal the number one sign on Wednesday while grabbing dinner with his stepson Quincy, 32, RadarOnline.com can reveal. As this outlet reported, Diddy — whose real name is Sean Combs — was accused of rape, abuse, and more by his ex-girlfriend, Casandra “Cassie” Ventura, in an explosive lawsuit last year. She also claimed he’d force he…