chore: page prop type check (#5067)

packages/effects/common-ui/src/components/page/page.vue

@@ -20,7 +20,7 @@ interface Props {
    */
   autoContentHeight?: boolean;
   /** 头部固定（暂未实现） */
-  // fixedHeader?: boolean;
+  fixedHeader?: boolean;
   headerClass?: string;
   footerClass?: string;
 }