Fix potential issue. (Comfy-Org#13009)

Author: comfyanonymous

comfy/utils.py

@@ -899,7 +899,7 @@ def set_attr(obj, attr, value):
 def set_attr_param(obj, attr, value):
     # Clone inference tensors (created under torch.inference_mode) since
     # their version counter is frozen and nn.Parameter() cannot wrap them.
-    if value.is_inference():
+    if (not torch.is_inference_mode_enabled()) and value.is_inference():
         value = value.clone()
     return set_attr(obj, attr, torch.nn.Parameter(value, requires_grad=False))