Consider testing ERR_ScopedMismatchInParameterOfPartial and ERR_ScopedMismatchInParameterOfTarget when ref like type parameters are involved

[AlekseyTs]

        [Fact]
        public void MissingScopedInOverride_02()
        {
            ...
            // PROTOTYPE(RefStructInterfaces): Consider testing ERR_ScopedMismatchInParameterOfPartial and ERR_ScopedMismatchInParameterOfTarget.
        }