next_vendors 默认 defer 破坏了 script 块加载顺序

[wherewhere]

Issue Checklist

• I am using NexT version 8.0 or later.
• I have already read the Troubleshooting page of Hexo and Troubleshooting page of NexT.
• I have already searched for current issues, which does not help me.

Expected behavior

所有 script 代码块都应在依赖加载完成后执行

Actual behavior

依赖会在代码块执行后加载

[welcome]

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