Wendy Williams’ court-appointed guardian, Sabrina Morrisey, has filed a lawsuit against Lifetime’s parent company, A&ETelevision Network, RadarOnline.com has learned. While details of the filing remain unknown due to its sealed status, court documents obtained by this outlet suggest it’s an attempt to block the network from airing an explosive two-part documentary on the former talk show host. The documents reveal Morrisey is seeking injunctive relief, which means she’s requesting the judge to take action on a particular matter. This could mean the filing was made to prevent the airing of Life…