support half and bf16 in to_dim_order_copy (#7689)

[pytorchbot]

Summary:

make dim order copy support half and bf16

Reviewed By: digantdesai, Jack-Khuu

Differential Revision: D68245619

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/7713

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❌ 2 New Failures

As of commit f015c60 with merge base 9069017 ():

NEW FAILURES - The following jobs have failed:

• pull / unittest / linux / linux-job (gh)
  RuntimeError: Command docker exec -t ed561b8dd99532eba7c34fb2f352ad022848ef7f27321db731ff3d3d71130d04 /exec failed with exit code 1
• pull / unittest / macos / macos-job (gh)
  RuntimeError: Command bash /Users/ec2-user/runner/_work/_temp/exec_script failed with exit code 1

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