openai client non-streaming does not work after the client was set in streaming

### Bug description

This is due to the mixing of the non-streaming and streaming parser in the open ai client

### What version are you seeing the problem on?

```python

```

### How to reproduce the bug

```python

```

### Error messages and logs

```
# Error messages and logs here please
```


### Environment

- OS: [e.g., Linux, Windows, macOS]


### More info

_No response_