Wendy Williams’ guardian questioned the validity of the contract the beloved former television host signed for Lifetime’s documentary in the lawsuit against the parent network A&E Networks Television, LLC., which was unsealed on Thursday, claiming the 59-year-old “was not” capable of understanding what she was signing. RadarOnline.com obtained the suit filed by Sabrina Morrissey, the court-ordered guardian in control of Williams’ finances and health decisions, which had been sealed until now for Wendy’s protection. Morrissey made it clear that she does not believe Williams knew what she was si…