It’s official: The Conners will be getting a proper goodbye. The Roseanne follow-up has been renewed for seventh and final season. As Deadline reported exclusively last week, the order is believed to be for six episodes, with the main cast, including John Goodman, Laurie Metcalf, Sara Gilbert and Lecy Goranson, expected to return. The renewal took longer to finalize because dates for the cast, particularly Goodman, had to be worked out, I hear.…