Autocomplete parameters of class pattern in match-case situation

### Describe the Bug

```
from dataclasses import dataclass
@dataclass
class A:
    a: int
    b: int

match a:
    case A(a=a, b=b):  # (a)
        ...
```

It would be nice for LSP to suggests 'a' and 'b'.

### Sandbox Link

_No response_

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

_No response_