A transgender woman with dozens of prior arrests is in custody for a two-day, two-borough binge of pepper-spray ambushes on 11 unsuspecting strangers, allegedly fueled by anti-white bias, cops said Sunday. Thomas Heard — whom a police source said identifies as a woman, and neighbors said sometimes goes by “Tasha” — kicked off her latest alleged attack by approaching a couple outside her Bronx apartment building Saturday and demanding to know the woman’s race, cops said. “Are you white?” Heard, who is black, allegedly barked at the 23-year-old woman, before kicking her and threatening her with a sharp object, and...