Former Vanderpump Rules star Rachel Leviss claimed her ex-fling Tom Sandoval “wore down [her] defenses” after she was left “isolated” by her breakup with James Kennedy, according to an emotional letter she penned in her revenge porn case. RadarOnline.com obtained a copy of the new statement Leviss submitted to the court, which detailed her version of the events that prompted her to sue Sandoval and his ex-girlfriend, Ariana Madix. The suit stemmed from the infamous seven-month-long affair between Leviss and Sandoval — coined “Scandoval” — that shocked Bravo fans when the news broke in March of…