fix(expandtable): 恢复可展开表格Demo,修复开启可展开表格后横向滚动失效问题 (#2050)

Co-authored-by: Njinmao88 <50581550+jinmao88@users.noreply.github.com>

src/components/Table/src/BasicTable.vue

@@ -253,9 +253,9 @@
           footer: unref(getFooterProps),
           ...unref(getExpandOption),
         };
-        if (slots.expandedRowRender) {
-          propsData = omit(propsData, 'scroll');
-        }
+        // if (slots.expandedRowRender) {
+        //   propsData = omit(propsData, 'scroll');
+        // }
 
         propsData = omit(propsData, ['class', 'onChange']);
         return propsData;

src/views/demo/table/ExpandTable.vue

 <template>
   <PageWrapper
     title="可展开表格"
-    content="不可与scroll共用。TableAction组件可配置stopButtonPropagation来阻止操作按钮的点击事件冒泡，以便配合Table组件的expandRowByClick"
+    content="TableAction组件可配置stopButtonPropagation来阻止操作按钮的点击事件冒泡，以便配合Table组件的expandRowByClick"
   >
     <BasicTable @register="registerTable">
       <template #expandedRowRender="{ record }">
@@ -56,6 +56,7 @@
           width: 160,
           title: 'Action',
           dataIndex: 'action',
+          fixed: 'right',
           // slots: { customRender: 'action' },
         },
       });