message: style(Toast): adjust work break
diff: // allow newline character
  white-space: pre-wrap;
  text-align: center;
  - word-wrap: break-word;
  + // https://github.com/youzan/vant/issues/8959
  + word-break: break-all;
  background-color: var(--van-toast-background-color);
  border-radius: var(--van-toast-border-radius);
  