style(任务中心): 修复任务中心报告详情中查看脚本样式问题

--bug=1018225 --user=赵勇 【接口测试】接口CASE集合报告查看报告详情中任意CASE脚本断言，点击查看失效 https://www.tapd.cn/55049933/s/1263701

api-test/frontend/src/business/automation/report/components/AssertionResults.vue

@@ -1,11 +1,13 @@
 <template>
+  <div>
     <el-table :data="assertions" :row-style="getRowStyle" :header-cell-style="getRowStyle">
       <el-table-column prop="name" :label="$t('api_report.assertions_name')" width="150" show-overflow-tooltip>
         <template v-slot:default="scope">
           <span>{{ !scope.row.name || scope.row.name === 'null' ? "" : scope.row.name }}</span>
         </template>
       </el-table-column>
-    <el-table-column prop="content" v-if="showContent" :label="$t('api_report.assertions_content')" width="300" show-overflow-tooltip/>
+      <el-table-column prop="content" v-if="showContent" :label="$t('api_report.assertions_content')" width="300"
+                       show-overflow-tooltip/>
       <el-table-column prop="message" :label="$t('api_report.assertions_error_message')"/>
       <el-table-column prop="pass" :label="$t('api_report.assertions_is_success')" width="180">
         <template v-slot:default="{row}">
@@ -25,7 +27,8 @@
           </div>
         </template>
       </el-table-column>
-    <el-dialog :title="$t('api_test.request.assertions.script')" :visible.sync="visible" width="900px" append-to-body>
+    </el-table>
+    <el-dialog :title="$t('api_test.request.assertions.script')" :visible.sync="visible" width="900px" modal-append-to-body append-to-body>
       <el-row type="flex" justify="space-between" align="middle" class="quick-script-block">
         <el-col :span="codeSpan" class="script-content">
           <ms-code-edit v-if="isCodeEditAlive"
@@ -35,7 +38,7 @@
         </el-col>
       </el-row>
     </el-dialog>
-  </el-table>
+  </div>
 </template>
 
 <script>