`mypy` fails to correctly understand some iterable type in `*args`

```python
class MyList(list[int]): ...

def test(x: MyList, y: list[int]) -> None:
    reveal_type( [*x] )  # list[Any] ❌
    reveal_type( [*y] )  # list[int] ✅
```

`[*x]` should infer as `list[int]`.

https://mypy-play.net/?mypy=latest&python=3.12&gist=5ed11116bf41c5aa803adc3f9333a125