fix: 修复下钻 icon 不应该默认全部展示和标题样式问题

packages/s2-react/__tests__/unit/components/drill-down/__snapshots__/index-spec.tsx.snap

@@ -66,11 +66,6 @@ exports[`DrillDown Component Tests should render component 1`] = `
         </span>
       </span>
     </span>
-    <div
-      class="antv-s2-drill-down-extra"
-    >
-      extra
-    </div>
     <div
       class="css-dev-only-do-not-override-3rel02 ant-empty antv-s2-drill-down-empty"
     >
@@ -144,6 +139,7 @@ exports[`DrillDown Component Tests should render component 1`] = `
         No data
       </div>
     </div>
+    extra
     <ul
       class="ant-menu ant-menu-root ant-menu-vertical ant-menu-light antv-s2-drill-down-menu css-dev-only-do-not-override-3rel02"
       data-menu-list="true"

packages/s2-react/playground/drill-down.tsx

@@ -23,7 +23,7 @@ export const partDrillDown: PartDrillDown = {
         type: 'text',
       },
     ],
-    extra: <div>test</div>,
+    extra: <div style={{ margin: '4px 16px' }}>test</div>,
   },
   // drillItemsNum: 1,
   fetchData: (meta, drillFields) =>

packages/s2-react/src/components/drill-down/index.tsx

@@ -122,13 +122,13 @@ export const DrillDown: React.FC<DrillDownProps> = React.memo(
           prefix={<SearchIcon />}
           allowClear
         />
-        <div className={`${DRILL_DOWN_PRE_CLASS}-extra`}>{extra}</div>
         {isEmpty(options) && (
           <Empty
             imageStyle={{ height: '64px' }}
             className={`${DRILL_DOWN_PRE_CLASS}-empty`}
           />
         )}
+        {extra}
         <Menu
           className={`${DRILL_DOWN_PRE_CLASS}-menu`}
           selectedKeys={drillFields}

packages/s2-shared/__tests__/unit/utils/__snapshots__/drill-down-spec.ts.snap

@@ -11,7 +11,7 @@ Object {
   "headerActionIcons": Array [
     Object {
       "belongsCell": "rowCell",
-      "defaultHide": false,
+      "defaultHide": true,
       "displayCondition": [Function],
       "icons": Array [
         Object {

packages/s2-shared/src/styles/drill-down.less

@@ -4,7 +4,7 @@
   width: 260px;
   min-height: 20px;
   position: relative;
-  color: var(--antv-s2-font-70, #fff);
+  color: var(--antv-s2-font-70, rgba(0, 0, 0, 0.9));
 
   &-header {
     display: flex;
@@ -42,10 +42,6 @@
     }
   }
 
-  &-extra {
-    margin: 4px 16px;
-  }
-
   &-menu {
     max-height: 314px;
     overflow: hidden auto;

packages/s2-shared/src/utils/drill-down.ts

@@ -154,7 +154,7 @@ export const buildDrillDownOptions = <T extends Omit<S2Options, 'tooltip'>>(
         },
       ],
       belongsCell: 'rowCell',
-      defaultHide: false,
+      defaultHide: true,
       displayCondition:
         partDrillDown?.displayCondition || defaultPartDrillDownDisplayCondition,
     };