网格线颜色 #5382

• G2 Version: 4.0.8
• Platform:
• Mini Showcase(like screenshots):
• CodePen Link: https://codesandbox.io/s/silly-tereshkova-k9dkzg?file=/index.ts

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水平网格线的颜色与设置的网格线的颜色不符合，且通过更改透明度的方式也不生效：

<img width="1422" alt="image" src="https://github.com/antvis/G2/assets/25746834/d758ab0a-7ff0-4f08-a3d8-de53c6f0d08b">