[Bug] wildcards folder init failure (Windows portable version)

[YannJun]

It seems for Windows portable ComfyUI verion, launched via .\python_embeded\python.exe -s .\ComfyUI\main.py --auto-launch --gpu-only --use-pytorch-cross-attention, the wildcards folder path init fails, resulting No values found for wildcard errors.

Probably caused by python relative path evaluation.