I think it’s likely that Lucasfilm will restore the OOT once Disney’s buyout of Fox is complete since ANH will no longer be a factor.
Whether or not we ever see the ‘97 SE and the theatrical prequels restored is another story. In a world where we got five different cuts of Blade Runner spread across three separate discs, it seems pretty backwards to not at least include the original/‘97/“final” versions of each OT film.