Allison Holker became “unhirable for a moment” after the death of Stephen ‘tWitch’ Boss. The 36-year-old ‘So You Think You Can Dance’ judge has reflected on how even her professional life changed after he took his own life aged 40 in December 2022, with “some opportunities” falling through because she suddenly wasn’t “what brands were looking for”. Appearing on SoFi’s ‘Richer Lives’ talk show, she said: “I had to allow some brands or some opportunities that were in the works, I had to let some of them go. “I had to be grateful that I had the chance to talk with those people and also understand…