Donald Trump might not come out of his hush money trial unscathed, the ex-president’s niece Mary Trump revealed in a new interview. Though she thinks the 77-year-old is “angling for the martyrdom,” she went on to claim the reality star is not coping well amid the trial and he’s “dissolving before our eyes.” Mary also said her uncle would never be able to survive behind bars if he’s convicted. “You seriously think that guy — ya know, Mr. Hair Product and Bronzer — wants to be in a jail cell overnight?” she continued on “The Back Room with Andy Ostroy” podcast. “Without any of his products and w…