using the suggested syntax
EmailPasswordResetPasswordEmail_Override: ({ DefaultComponent, ...props }) => {
                        return (
                            //TO-DO tune logo div
                            <div>
                                <div >
                                    <img src="/assets/logo.png" alt="Logo" />
                                </div>
                             </div>
                        );
                    }
for the EmailPasswordResetPasswordEmail_Overridecomonent the result I get is what follows

the html added remains outside the supertokens container