PHILADELPHIA — Television personality and actress Sherri Shepherd has been found legally responsible for a child born to a surrogate she and her ex-husband hired before they divorced, a Pennsylvania appeals court ruled this week in upholding the surrogacy contract.Shepherd had fought to have the contract voided. The ruling means she must continue paying $4,100 a month in child support, according to a lawyer for ex-husband Lamar Sally, who is raising the 1-year-old boy in Los Angeles.“She doesn’t want to …