Update 'otx benchmark' print outputs & cli print outputs

[harimkang]

Summary

• Update otx benchmark docstring

• Update otx benchmark to use otx help formatter

• Enable rich format table for otx benchmark

  • Before
    
  • After
    

• Modify 'otx train' outputs like test outputs

• Add work_dir log

How to test

Checklist

• I have added unit tests to cover my changes.​
• I have added integration tests to cover my changes.​
• I have ran e2e tests and there is no issues.
• I have added the description of my changes into CHANGELOG in my target branch (e.g., CHANGELOG in develop).​
• I have updated the documentation in my target branch accordingly (e.g., documentation in develop).
• I have linked related issues.

License

• I submit my code changes under the same Apache License that covers the project.
  Feel free to contact the maintainers if that's a concern.
• I have updated the license header for each file (see an example below).

# Copyright (C) 2024 Intel Corporation
# SPDX-License-Identifier: Apache-2.0

[sovrasov]

Nice addition