fix(测试跟踪): 修复功能用例高级查询失焦问题

--bug=1010564--user=郭雨琦
修复功能用例高级查询失焦问题
https://www.tapd.cn/55049933/bugtrace/bugs/view?bug_id=1155049933001010564&url_cache_key=url_cache_key_bug_list_681dbfafbe604d84720e24b31f69c532

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

@@ -1,7 +1,7 @@
 <template>
 
   <span>
-    <el-input :placeholder="$t('commons.search_by_name_or_id')" @blur="initTableData" class="search-input" size="small"
+    <el-input :placeholder="$t('commons.search_by_name_or_id')"  class="search-input" size="small"
                  @keyup.enter.native="initTableData"
                  v-model="condition.name" ref="inputVal"/>
     <el-link type="primary" @click="open" style="float: right;margin-top: 5px;padding-right: 10px">