[Bug]: Editing Group Node resets widget values and disconnects inputs

[LukeG89]

Frontend Version

1.3.29

Expected Behavior

After editing and saving a Group Node, no unexpected changes are made.

Actual Behavior

After editing and saving a Group Node:

• all widgets are set to the values they had before group conversion
• inputs are disconnected

Steps to Reproduce

Group_Node_Bugs.mp4

Debug Logs

E:\>.\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build --disable-all-custom-nodes --preview-size 1024 --front-end-version Comfy-Org/ComfyUI_frontend@latest
Total VRAM 8192 MB, total RAM 65277 MB
pytorch version: 2.6.0.dev20241019+cu124
Set vram state to: NORMAL_VRAM
Device: cuda:0 NVIDIA GeForce RTX 3070 Ti Laptop GPU : cudaMallocAsync
Using pytorch cross attention
Initializing frontend: Comfy-Org/ComfyUI_frontend@latest, requesting version details from GitHub...
[Prompt Server] web root: E:\ComfyUI\web_custom_versions\Comfy-Org_ComfyUI_frontend\1.3.29
E:\python_embeded\Lib\site-packages\kornia\feature\lightglue.py:44: FutureWarning: `torch.cuda.amp.custom_fwd(args...)` is deprecated. Please use `torch.amp.custom_fwd(args..., device_type='cuda')` instead.
  @torch.cuda.amp.custom_fwd(cast_inputs=torch.float32)
Skipping loading of custom nodes
Starting server

To see the GUI go to: http://127.0.0.1:8188

Browser Logs

Setting JSON

comfy.settings.json

What browsers do you use to access the UI ?

Google Chrome

Other

Had a similar issue before #876