no error when `contextmanager` decorator is above `staticmethod` decorator

### Describe the problem, ie expected/actual result (if it's not blatantly obvious)

```
TypeError: Foo.foo() takes 0 positional arguments but 1 was given
```

### Gist to reproduce

```python
from collections.abc import Iterator
from contextlib import contextmanager

class Foo:
@contextmanager
@staticmethod
def foo() -> Iterator[None]:
yield None

def bar(self):
with self.foo():
...

Foo().bar()
```

### Basedmypy version

_No response_

### Command-line flags

_No response_

### Configuration options from `pyproject.toml` (and other config files)

_No response_

### Python version used

_No response_

### Operating system and version

_No response_

Start with the supplied Foo reproducer and investigate basedmypy’s handling of the contextmanager and staticmethod decorator order. Verify the reported TypeError and add a regression check for this case; done when the checker handles the decorator combination as intended.

Written by the indexing model from the issue text.