gguf no support flow edit

[xueqing0622]

gguf no support flow edit, how to change gguf model type to make it work for flow edit,
1 simple flux model: work
model weight dtype torch.float8_e4m3fn, manual cast: torch.bfloat16
model_type FLUX

2 gguf flux model: seems not work just change the face color a little
ggml_sd_loader:
1 471
12 266
13 38
0 5
model weight dtype torch.bfloat16, manual cast: None
model_type FLUX