message: fix(page-wrapper): fix `class` not working
diff: <PageHeader
  :ghost="ghost"
  :title="title"
  - v-bind="$attrs"
  + v-bind="omit($attrs, 'class')"
  ref="headerRef"
  v-if="content || $slots.headerContent || title || getHeaderSlots.length"
  >
  contentClass: propTypes.string,
  fixedHeight: propTypes.bool,
  },
  - setup(props, { slots }) {
  + setup(props, { slots, attrs }) {
  const wrapperRef = ref(null);
  const headerRef = ref(null);
  const contentRef = ref(null);
  {
  [`${prefixCls}--dense`]: props.dense,
  },
  + attrs.class ?? {},
  ];
  });
  