fix(接口测试): 修复接口json schema参数高级设置关闭未销毁问题

【[接口测试] #18293接口参数高级设置中有配置时，不能流畅切换参数类型，且切换成功后，高级设置为空】https://www.tapd.cn/55049933/bugtrace/bugs/view?bug_id=1155049933001017412

api-test/frontend/src/business/commons/json-schema/schema/editor/main.vue

@@ -72,7 +72,7 @@
     <!-- 高级设置-->
     <el-dialog append-to-body :close-on-click-modal="true" :title="$t('schema.adv_setting')"
                :visible.sync="modalVisible" :destroy-on-close="true"
-               @close="handleClose">
+               @close="handleClose" v-if="modalVisible">
       <p class="tip">{{ $t("schema.base_setting") }} </p>
 
       <el-form label-position="left" label-width="100px" v-model="advancedValue" class="ms-advanced-search-form">