分类、部门、线上课的添加、编辑确认按钮优化

src/pages/resource/resource-category/index.tsx

@@ -399,7 +399,6 @@ const ResourceCategoryPage = () => {
               blockNode
               onDragEnter={onDragEnter}
               onDrop={onDrop}
-              defaultExpandAll={true}
               switcherIcon={<i className="iconfont icon-icon-fold c-gray" />}
             />
           )}