Ally, a senior at Owasso High School, said the last thing Nex Benedict said to them was, “Happy birthday.”Nex was involved in a fight at the school on Feb. 7, Ally’s birthday, and then died the next day. Nex’s mother, Sue Benedict, told the Independent that Nex was bullied due to his gender identity. As a result, the 16-year-old’s death has become a rallying cry for LGBTQ activists as Oklahoma and states across the country consider dozens of bills that target the community.Ally, who uses they/them pronouns and asked to go by first name only to protect their privacy, said in an…