Clash between selection background and matching parens highlight

I have selected only the function parameters, but it looks as if I had selected the parens as well:


This makes editing a bit confusing.

在编辑器中可见匹配括号高亮时，重现所报告的函数参数选择。跟踪编辑器的选择路径和匹配括号渲染路径，然后验证选中的参数与高亮的括号在视觉上可以区分，同时不改变这两种行为中的任何一种。

由索引模型根据 Issue 内容生成。