fix(icon): allow aria-hidden override

[bvandercar-vt]

Allow aria-hidden to be overriden in order to correctly follow the existing title jsdoc:

   /**
     * If this value is nullish, `false`, or an empty string, the component will assume
     * that the icon is decorative and `aria-hidden="true"` will be applied (can be overridden
     * by manually passing `aria-hidden` prop).
     */
    title?: string | false | null;