Add a --force-channels-last to inference models in channel last mode.

comfy/model_management.py

@@ -673,6 +673,12 @@ def device_should_use_non_blocking(device):
     return False
     # return True #TODO: figure out why this causes memory issues on Nvidia and possibly others
 
+def force_channels_last():
+    if args.force_channels_last:
+        return True
+
+    #TODO
+    return False
 
 def cast_to_device(tensor, device, dtype, copy=False):
     device_supports_cast = False