تغيير الأيقونات عالميًا

I tried to replace the envelope icon with the inbox icon, but the changes are not applied to the icons inside the user menu panel. Do they have to be targeted in a specific way?

My snippet:

// {theme}/javascripts/discourse/api-initializers/init-theme.gjs

import { apiInitializer } from "discourse/lib/api";

export default apiInitializer((api) => {
  api.replaceIcon("envelope", "inbox");
});