[Fix][UI] Fix the message toast issue (#16088)

dolphinscheduler-ui/src/views/datasource/list/use-detail.ts

@@ -59,7 +59,7 @@ export function useDetail(getFieldsValue: Function) {
     try {
       const res = await connectDataSource(formatParams())
       window.$message.success(
-        res
+        res && res.msg
           ? res.msg
           : `${t('datasource.test_connect')} ${t('datasource.success')}`
       )

dolphinscheduler-ui/src/views/security/alarm-instance-manage/use-detail.ts

@@ -57,7 +57,7 @@ export function useDetail(getFormValues: Function) {
         pluginInstanceParams: formatParams(json, values)
       })
       window.$message.success(
-        res
+        res && res.msg
           ? res.msg
           : `${t('security.alarm_instance.test_send')} ${t('home.success')}`
       )