Porsha Williams has put her ex on notice. New legal documents obtained by RadarOnline.com show The Real Housewives of Atlanta star served Simon Guobadia with her request for an emergency order, demanding to be allowed to film in the multimillion-dollar mansion they once shared as a happy couple. This outlet broke the story — Porsha argued it’s “vital to her ability to sustain her income and employment” to let Bravo cameras roll on her day-to-day life, including inside the marital residence. But Simon demanded the court stay silent on the issue of taping in the house. He previously argued that …