make dim order as default for everywhere in ET

[pytorchbot]

Differential Revision: D68167741

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/7681

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❌ 2 New Failures

As of commit dfd4067 with merge base 9069017 ():

NEW FAILURES - The following jobs have failed:

• pull / unittest / linux / linux-job (gh)
  RuntimeError: Command docker exec -t 174ed5e5c1d53b5148c98dafeafedfa9e8e6c9a31e4b36532409afb2b614d4d9 /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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