Qwen-Image-Edit Inferior Results Compared to ComfyUI

### Describe the bug

I am trying to do multi-image editing with Qwen-Image-Edit (It is a simplified version of [this](https://x.com/hellorob/status/1958197227135906087)). The ComfyUI workflow and diffusers script are shared below for reproducibility. I am using the same (unquantized) models and the same parameters.

The results I get with diffusers are noticeably inferior compared to ComfyUI especially in terms of preservation of the details.

Here is the input image and prompt:

Prompt: `The woman is displaying a plush toy product in her hand, while preserving her exact facial features, expression, clothing, and pose. Maintain the same background, natural lighting, and overall photographic composition and style.`

Here are the outputs from Comfy:

Here are the outputs from Diffusers:

It changes both the woman and the toy a lot compared to Comfy implementation.

### Reproduction

Diffusers reproduction script
```python
import torch
from PIL import Image
from diffusers import QwenImageEditPipeline

pipeline = QwenImageEditPipeline.from_pretrained("Qwen/Qwen-Image-Edit", torch_dtype=torch.bfloat16, device_map="cuda")
pipeline.set_progress_bar_config(disable=None)

input_image = Image.open("qwen_image_edit_input.png")

seed = 43
prompt = "The woman is displaying a plush toy product in her hand, while preserving her exact facial features, expression, clothing, and pose. Maintain the same background, natural lighting, and overall photographic composition and style."
inputs = {
"image": input_image,
"prompt": prompt,
"generator": torch.manual_seed(seed),
"true_cfg_scale": 4.5,
"negative_prompt": " ",
"num_inference_steps": 50,
"height": 1024,
"width": 1024,
}

with torch.inference_mode():
output = pipeline(**inputs)
output_image = output.images[0]
output_image.save(f"diffusers_qwen_image_edit_out_{seed}.png")
```

Comfy Workflow file and image:
[qwen_image_edit-multi_image-v1.0-compare.json](https://github.com/user-attachments/files/21935108/qwen_image_edit-multi_image-v1.0-compare.json)

### Logs

```shell

```

### System Info

- 🤗 Diffusers version: 0.35.1
- Platform: Linux-5.15.0-122-generic-x86_64-with-glibc2.35
- Running on Google Colab?: No
- Python version: 3.10.18
- PyTorch version (GPU?): 2.5.1+cu124 (True)
- Flax version (CPU?/GPU?/TPU?): not installed (NA)
- Jax version: not installed
- JaxLib version: not installed
- Huggingface_hub version: 0.34.4
- Transformers version: 4.55.2
- Accelerate version: 1.2.1
- PEFT version: 0.17.0
- Bitsandbytes version: not installed
- Safetensors version: 0.4.5
- xFormers version: not installed
- Accelerator: NVIDIA A100-SXM4-80GB, 81920 MiB
- Using GPU in script?: Yes
- Using distributed or parallel set-up in script?: No

### Who can help?

@asomoza @yiyixuxu