message: fix collapse header icon position
diff: @@ -38,7 +38,7 @@ export const CollapseHeader: React.FC<CollapseHeaderProps> = ({ className, style
  >
  <div className="ebs-collapse__header__title">{children}</div>
  <div className="ebs-collapse__header__toggle" onClick={toggle}>
  - <Icon type={height === 0 ? 'arrow-top' : 'arrow-bottom'} model="bold" />
  + <Icon type={height === 0 ? 'arrow-bottom' : 'arrow-top'} model="bold" />
  </div>
  </header>
  );
  