Arm backend: Merge passes that replace scalars

[martinlsm]

Besides having obsolete names, ReplaceScalarWithTensorPassTOSAMI and ReplaceScalarWithTensorPassTOSABI was causing difficulties for defining chronological pass dependencies with the _passes_required_after attribute. This is because, with the current design, there is no way to distinguish which profile is referred to when defining _passes_required_after; a pass simply declares its chronological dependencies globally.

Solve this by merging the two pass classes together into one called ReplaceScalarWithTensorByProfilePass. This means that a pass should include this new pass in _passes_required_after no matter which TOSA profile its working towards.

Test plan

This is a refactoring patch. No behavior is modified. Thus the tests already in place are enough to test this change.

cc @freddan80 @per @zingo @oscarandersson8218 @digantdesai

[pytorch-bot]

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❌ 7 New Failures, 1 Cancelled Job, 4 Unrelated Failures

As of commit b040270 with merge base 7215b88 ():

NEW FAILURES - The following jobs have failed:

• pull / test-samsung-models-linux / linux-job (gh)
  RuntimeError: Command docker exec -t 15847035a79c42823e7be1d3c0822d9fe11f999f39d9d2dbbe96b1842cef5b76 /exec failed with exit code 1
• pull / unittest-nxp-neutron / linux-job (gh)
  RuntimeError: Command docker exec -t 75f297e16f8c6b860e643f3fa65b59d593531971e705bd57dce89ae5660eddc0 /exec failed with exit code 1
• Test CUDA Builds / export-gemma3-cuda-non-quantized / linux-job (gh)
  RuntimeError: Command docker exec -t 59b0e3401a9bd7efb2405bf6ad461648855bf24a7aeeb4df7c37907c0f7973a6 /exec failed with exit code 2
• Test CUDA Builds / export-voxtral-cuda-non-quantized / linux-job (gh)
  RuntimeError: Command docker exec -t 0d6561bba74a722e54ddc295454e78d984c4fe715ff8ab73f5049944c5234a34 /exec failed with exit code 2
• Test CUDA Builds / export-voxtral-cuda-quantized-int4-tile-packed / linux-job (gh)
  RuntimeError: Command docker exec -t 083250bb0fcc673cb6b538b2f3faa110ea487ef68407f248fe66eff8d5649941 /exec failed with exit code 2
• Test CUDA Builds / export-voxtral-cuda-quantized-int4-weight-only / linux-job (gh)
  RuntimeError: Command docker exec -t 301b45d45a21461cfaeba6c6def526c27cdd59f662563500323fe842c1a2e650 /exec failed with exit code 2
• Test Metal Backend / export-voxtral-metal-artifact / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 2

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

• trunk / test-models-macos-coreml (w2l) / macos-job (gh)
  ##[error]The operation was canceled.

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

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

• pull / unittest / linux / linux-job (gh) (trunk failure)
• pull / unittest-arm-backend-with-no-fvp (test_pytest_models) / linux-job (gh) (trunk failure)
• pull / unittest-editable / linux / linux-job (gh) (trunk failure)
• trunk / unittest-release / linux / linux-job (gh) (trunk failure)

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[martinlsm]

@pytorchbot label ciflow/trunk

[martinlsm]

@pytorchbot label "partner: arm"

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