修复HeaderSearch中defaultOpen、open参数指定问题 (#2581)

src/components/HeaderSearch/index.d.ts

@@ -2,8 +2,8 @@ import * as React from 'react';
 export interface IHeaderSearchProps {
   placeholder?: string;
   dataSource?: string[];
-  defaultOpen: boolean;
-  open: boolean;
+  defaultOpen?: boolean;
+  open?: boolean;
   onSearch?: (value: string) => void;
   onChange?: (value: string) => void;
   onVisibleChange?: (visible: boolean) => void;