Elizabeth Wagmeister Senior CorrespondentIn her first television interview since filing a sexual battery lawsuit against Shia LaBeouf, FKA Twigs is opening up about her former relationship with the actor, whom she has accused of verbal, emotional and physical abuse.Sitting down with Gayle King on “CBS This Morning,” the British musician and actor says she came forward because she wants to help other survivors of abuse.“I felt so alone,” Twigs said.