Stormy Daniels’ business relationship with her former lawyer Michael Avenatti is explored in a sneak peek for her upcoming documentary. The adult film star — whose real name is Stephanie Clifford — first partnered up with Avenatti after Donald Trump gave her $130,000 in hush money to keep her from speaking publicly about their alleged 2006 sexual encounter after meeting at a celebrity golf tournament in Lake Tahoe. The controversial politician denied their sexual relationship took place, prompting Daniels to file a lawsuit against him for defamation. However, she lost the case despite appealin…