wip: update ldm_patched

currently issues with calculate_sigmas call

ldm_patched/contrib/external_latent.py

@@ -1,5 +1,3 @@
-# https://github.com/comfyanonymous/ComfyUI/blob/master/nodes.py 
-
 import ldm_patched.modules.utils
 import torch
 
@@ -128,7 +126,7 @@ class LatentBatchSeedBehavior:
     @classmethod
     def INPUT_TYPES(s):
         return {"required": { "samples": ("LATENT",),
-                              "seed_behavior": (["random", "fixed"],),}}
+                              "seed_behavior": (["random", "fixed"],{"default": "fixed"}),}}
 
     RETURN_TYPES = ("LATENT",)
     FUNCTION = "op"