Closing brackets are incorrectly highlighted in Element Hiding rules

For example in:
```adblock
example.org##div:has(> div:not([class]))
example.org##div:has(> div:not([class]) > a)
```

<img width="711" height="81" alt="Image" src="https://github.com/user-attachments/assets/16114dcb-8212-4d51-b3de-26d829a7ff06" />