feat(data): 数据页接入选择成员抽屉，简化抽屉实现并复用空态组件

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

miniprogram/components/selectMemberDrawer/selectMemberDrawer.wxml

@@ -5,10 +5,6 @@
 
     <!-- 抽屉面板 -->
     <view class="drawer-panel {{ animVisible ? 'drawer-panel--visible' : '' }}">
-
-        <!-- 顶部拖拽把手 -->
-        <view class="drawer-handle"></view>
-
         <!-- 标题栏 -->
         <view class="drawer-header">
             <text class="drawer-title">选择已有用户</text>
@@ -61,10 +57,7 @@
 
         <!-- 无用户：占位 -->
         <block wx:else>
-            <view class="drawer-empty">
-                <image class="drawer-empty-icon" src="/images/selectMemberDrawer/noData.png" mode="aspectFit"/>
-                <text class="drawer-empty-text">暂无可选用户</text>
-            </view>
+            <empty-data/>
         </block>
     </view>
 </block>