[MPS][TYPE_PROMOTION] Fix Clamp

[pytorchbot]

Stack from ghstack (oldest at bottom):

• -> [MPS][TYPE_PROMOTION] Fix Clamp #130226

Summary:

1. Fixed tensor.clamp produces wrong values on MPS #130201 by adding type promotion.
2. Added proper tests.
3. Found torch's type promotion is different from numpy as follows:

import torch
import numpy as np
np.clip(np.array([1], dtype=np.float32), np.array([1], dtype=np.int32), None).dtype  # dtype('float64')
torch.clamp(torch.tensor([1], dtype=torch.float32), torch.tensor([1], dtype=torch.int32)).dtype  # torch.float32

Not sure the proper way to handle it, it causes numpy ref tests to fail.
Reason here, so think I'm gonna xfail it:

pytorch/test/test_ops.py

Lines 260 to 264 in 3c1cf03

	# Tests that the function and its (ndarray-accepting) reference produce the same
	# values on the tensors from sample_inputs func for the corresponding op.
	# This test runs in double and complex double precision because
	# NumPy does computation internally using double precision for many functions
	# resulting in possible equality check failures.

[pytorch-bot]

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❌ 3 New Failures, 1 Cancelled Job

As of commit 3eb6294 with merge base b66e3f0 ():

NEW FAILURES - The following jobs have failed:

• pull / linux-focal-py3_8-clang9-xla / test (xla, 1, 1, linux.12xlarge) (gh)
  test_repeat_truncated
• pull / linux-focal-py3.12-clang10 / test (default, 1, 3, linux.2xlarge) (gh)
  dynamo/test_dynamic_shapes.py::DynamicShapesMiscTests::test_outside_linear_module_free_dynamic_shapes
• pull / linux-focal-py3.12-clang10 / test (default, 3, 3, linux.2xlarge) (gh)
  dynamo/test_misc.py::MiscTests::test_outside_linear_module_free

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

• Mac MPS / macos-py3-arm64-mps / test (mps, 1, 1, macos-m2-14) (gh)

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