pytest.fixture hide the function type

### Describe the Bug

```py
@pytest.fixture
def mock_db_dependencies(self):
...
```

hover shows

```
(attribute) mock_db_dependencies: FixtureFunctionDefinition
Common mock setup for database dependencies.
```

I want it to show signature.

### Sandbox Link

_No response_

### (Only applicable for extension issues) IDE Information

_No response_