refactor(UI测试): UI环境变量不支持host

--story=1012301 --user=郭雨琦
https://www.tapd.cn/55049933/bugtrace/bugs/view/1155049933001027090

framework/sdk-parent/frontend/src/components/environment/EnvironmentCommonConfig.vue

@@ -4,6 +4,9 @@
       <ms-api-scenario-variables :show-copy="false" :items="commonConfig.variables" :is-read-only="isReadOnly"/>
       <el-form-item>
         <el-switch v-model="commonConfig.enableHost" active-text="Hosts"/>
+        <el-tooltip class="hostItem" effect="dark" :content="$t('api_test.home_page.host_config')" placement="right">
+          <i class="el-icon-info"></i>
+        </el-tooltip>
       </el-form-item>
       <el-form-item>
         <span>{{ $t('api_test.environment.request_timeout') }}:</span>
@@ -94,5 +97,7 @@ export default {
 </script>
 
 <style scoped>
-
+.hostItem {
+  padding-left: 5px;
+}
 </style>

framework/sdk-parent/frontend/src/i18n/lang/en-US.js

@@ -2239,6 +2239,7 @@ const message = {
           open_title: "Do you want to start this scheduled task?？",
         },
       },
+      host_config: "Only interface testing is supported",
     },
     script: {
       tip_3:

framework/sdk-parent/frontend/src/i18n/lang/zh-CN.js

@@ -2153,6 +2153,7 @@ const message = {
           open_title: "要开启这条定时任务吗？",
         },
       },
+      host_config: "仅支持接口测试",
     },
     script: {
       tip_3:

framework/sdk-parent/frontend/src/i18n/lang/zh-TW.js

@@ -2152,6 +2152,7 @@ const message = {
           open_title: "要開啟這條定時任務嗎？",
         },
       },
+      host_config: "僅支持接口測試",
     },
     script: {
       tip_3: