fix: 增加批量操作的引导，当复选框、或全选时 显示tips （全部列表）

frontend/src/business/components/track/case/components/ShowMoreBtn.vue

@@ -2,7 +2,10 @@
   <div v-if="isShow">
     <el-dropdown placement="bottom" trigger="click" size="medium">
       <div @click.stop class="show-more-btn">
+        <el-tooltip class="item" effect="dark" :content="$t('test_track.case.batch_operate')" placement="top-start">
           <i class="el-icon-more ms-icon-more"/>
+        </el-tooltip>
+
       </div>
       <el-dropdown-menu slot="dropdown" class="dropdown-menu-class">
         <div class="show-more-btn-title">{{$t('test_track.case.batch_handle', [size])}}</div>
@@ -19,6 +22,11 @@
 
   export default {
     name: "ShowMoreBtn",
+    data() {
+      return {
+        disabled: false
+      };
+    },
     props: {
       isShow: {
         type: Boolean,