fix(工具箱/WebSocket 测试): 统一模块导入方式

src/views/ToolboxView/Network/WebSocketTestTool.vue

@@ -177,12 +177,14 @@ import {
   reactive, ref, nextTick, onMounted, onBeforeUnmount,
 } from 'vue';
 
+import {
+  getCommonDateTime,
+} from '@frost-utils/javascript/common/index';
+
 import {
   $dialog, $notification,
 } from '@/assets/js/naive-ui';
 
-import getCommonDateTime from '@frost-utils/javascript/common/getCommonDateTime';
-
 /** 数据 */
 const data = reactive({