message: fix(NoticeBar): can't replay in iOS14
diff: import { createNamespace, isDef } from '../utils';
  -import { doubleRaf } from '../utils/dom/raf';
  +import { doubleRaf, raf } from '../utils/dom/raf';
  import { BindEventMixin } from '../mixins/bind-event';
  import Icon from '../icon';
  @@ -70,7 +70,8 @@ export default createComponent({
  this.duration = 0;
  // wait for Vue to render offset
  - this.$nextTick(() => {
  + // using nextTick won't work in iOS14
  + raf(() => {
  // use double raf to ensure animation can start
  doubleRaf(() => {
  this.offset = -this.contentWidth;
  