Flux-lora weight test workflow

Referenced the workflow from https://www.liblib.art/modelinfo/29f44645433c446aa3b8b0f0a6f3abcb

According to the feedback in the comments section, noise and VAE have been globalized, and group toggles have been added to allow toggling of any group.

Group toggles may cause inability to run online. For online use, you can remove this toggle. For local downloads, please install any missing nodes by yourself.