Fix missing .items() in duplicate consant node

[JacobSzwejbka]

Summary: Typo in hard to reach code path

Differential Revision: D94272223

[pytorch-bot]

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❌ 5 New Failures, 1 Cancelled Job

As of commit c2a270b with merge base 2c9f2b3 ():

NEW FAILURES - The following jobs have failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for exir/backend/test/test_passes.py:
• pull / test-mediatek-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 0526c2fcdd3fc55bf747f26997088d6dc9b023cdbc13caba273795a73cbc5d48 /exec failed with exit code 2
• pull / test-openvino-linux / linux-job (gh)
  RuntimeError: Command docker exec -t bee5d91cd662a7d7bd6f6de7f75cc64de90641da91608a160e2b7f6e4303f70e /exec failed with exit code 1
• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t d99a7a6f407038c06269141b07a00821094e0822c382597e5735847754ad8c80 /exec failed with exit code 1
• pull / test-samsung-quantmodels-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 7c557220098fae016c393ad40c9d879f2b876dec1d006ff6febc40cc794a8727 /exec failed with exit code 1

CANCELLED JOB - The following job was cancelled. Please retry:

• periodic (gh)

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[meta-codesync]

@JacobSzwejbka has exported this pull request. If you are a Meta employee, you can view the originating Diff in D94272223.

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