Sections 721.04 to 721.09 of the Revised Code have no retroactive effect to validate or add to the effect of any previous act of a municipal corporation concerning territory or public rights described in section 721.04 of the Revised Code. Those sections have no effect, except as expressly provided in sections 721.04 to 721.11 and 1506.10 of the Revised Code, to give any littoral or riparian owner any rights in any territory covered or formerly covered by the waters of Lake Erie or other navigable waters of the state.