alternative to `load_checkpoint_guess_config` that accepts a loaded state dict (#4249)

* make alternative fn

* add back ckpt path as 2nd argument?

comfy/sd.py

@@ -500,13 +500,14 @@ def load_checkpoint(config_path=None, ckpt_path=None, output_vae=True, output_cl
 
 def load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=True, output_clipvision=False, embedding_directory=None, output_model=True):
     sd = comfy.utils.load_torch_file(ckpt_path)
-    sd_keys = sd.keys()
+    return load_state_dict_guess_config(sd, ckpt_path, output_vae, output_clip, output_clipvision, embedding_directory, output_model)
+
+def load_state_dict_guess_config(sd, ckpt_path="<memory>", output_vae=True, output_clip=True, output_clipvision=False, embedding_directory=None, output_model=True):
     clip = None
     clipvision = None
     vae = None
     model = None
     model_patcher = None
-    clip_target = None
 
     diffusion_model_prefix = model_detection.unet_prefix_from_state_dict(sd)
     parameters = comfy.utils.calculate_parameters(sd, diffusion_model_prefix)