I don't think minor similarities like that matter. I mean Wallace already is a functional clone of Wally from an introduction standpoint with Iris "Hey Barry, this is my nephew, please mentor him as Kid Flash!" You're not escaping that without a big retcon and, frankly, Wallace is going to take on some of Wally's other minor traits because he's going to be the one adapted to external media as the only Wally. So anything you want as a sort of foundational piece to the character, Wallace is going to have anyhow.