Update replace ops to correctly set modified bit

[DrJessop]

Summary:
Updated

• ReplaceAtenAvgPoolWithCadenceAvgPoolPass
• ReplaceIm2RowWithViewPass
• ReplaceEmptyTensorsWithFullPass (doesn't use new interface, just correctly only runs full export pass if necessary)
• ReplaceWhereWithFullArgsWithWhereScalar
• ReplaceMulTensorWithMulAndFullOpsPass
• ReplaceAdaptiveAvgPoolWithAtenAvgPoolPass

Reviewed By: hsharma35

Differential Revision: D87877176

[pytorch-bot]

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❗ 1 Active SEVs

There are 1 currently active SEVs. If your PR is affected, please view them below:

• Replace all macOS instances with nextjs due CVE-2025-55182

❌ 1 New Failure, 1 Unrelated Failure

As of commit 4327727 with merge base 4014597 ():

NEW FAILURE - The following job has failed:

• Lint / lintrunner / linux-job (gh)
  >>> Lint for backends/cadence/aot/tests/test_replace_ops_passes.py:

BROKEN TRUNK - The following job failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / android / run-emulator (gh) (trunk failure)
  Timeout waiting for emulator to boot.

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[meta-codesync]

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