Michelle Mone’s £25million mansion has won a payout after telling a tribunal of her shock dismissal by the Scots underwear tycoon.Deborah Wendy Lace, a former long-term employee of Baroness Mone’s billionaire husband Doug Barrowman at their Isle of Man estate, told of her “immensely upsetting” relationship with the ex-Ultimo boss.And she claimed the Tory peer’s “previous behaviour” had led to other staff employed during Barrowman’s previous marriage quitting or being dismissed.Lace was awarded