anyParentDefaultsHidden() {
    let currentParent = this.parent;
    while (currentParent) {
      if (currentParent.component.hidden) {
        return true;
      }
      currentParent = currentParent.parent;
    }
    return false;
  }
Returns true if any of the parents default their component "hidden" property to true.
@returns {boolean} - If any parent defaults the hidden property to true.