The late Notorious B.I.G.’s mom, Voletta Wallace, revealed she was horrified to learn the damning allegations against Sean “Diddy” Combs, RadarOnline.com has learned. Voletta said the recent exposé detailing his alleged longtime abusive behavior and the recently-surfaced surveillance footage of Diddy physically assaulting ex-girlfriend Cassie Ventura in 2016 made her “sick to my stomach.” “I’m praying for Cassie. I’m praying for his mother. I don’t want to believe the things that I’ve heard, but I’ve seen [the hotel video],” she said. “I pray that he apologizes to her.” CNN published the shock…