Notwithstanding the provisions of section 1-3, if any provision of sections 12-850 to 12-871, inclusive, any amendment made to the provisions of the general statutes pursuant to public act 21-23, or any provision of an amendment or new compact entered into pursuant to section 12-851 is held invalid by a court of competent jurisdiction in a final judgment which is not appealable, (1) the provisions of sections 12-850 to 12-871, inclusive, shall cease to be effective, (2) the amendments made to the provisions of the sections of the general statutes pursuant to public act 21-23 shall be inoperative, and (3) keno may be operated under the agreements that were entered into pursuant to section 12-806c and in effect on April 1, 2021.