Fixes device parsing in policy inference tutorial (#2250)

# Description

The model in the policy inference tutorial needs to be moved to the
correct device based on the command line argument input. Otherwise, it
will cause device mismatch errors as policy defaults to the CPU while
environment defaults to GPU.

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- Bug fix (non-breaking change which fixes an issue)


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Author: kellyguo11

scripts/tutorials/03_envs/policy_inference_in_usd.py

@@ -56,7 +56,7 @@ def main():
     policy_path = os.path.abspath(args_cli.checkpoint)
     file_content = omni.client.read_file(policy_path)[2]
     file = io.BytesIO(memoryview(file_content).tobytes())
-    policy = torch.jit.load(file)
+    policy = torch.jit.load(file, map_location=args_cli.device)
 
     # setup environment
     env_cfg = H1RoughEnvCfg_PLAY()