fix：修改数据流转里的mqtt clientid限制8位随机生成

@@ -104,6 +104,7 @@
   import { Alert, Divider, Descriptions, Upload } from 'ant-design-vue';
   import { uploadApi } from '/@/api/personal/index';
   import { useMessage } from '/@/hooks/web/useMessage';
+  import { buildUUID } from '/@/utils/uuid';
 
   export default defineComponent({
     components: {
@@ -343,6 +344,8 @@
           credentialsV.credentials.certFileName = certFileName.value;
           credentialsV.credentials.privateKeyFileName = privateKeyFileName.value;
         }
+        //clientId 从uuid里切片8位
+        sonValues.configuration.clientId = buildUUID().slice(0, 8);
         Object.assign(sonValues.configuration, credentialsV);
         return sonValues;
       };