[bug fix]Fix strategy config in entity_extraction

[KylinMountain]

Description

When I config strategy with nltk type for entity_extraction, it doesn't take effect.

Related Issues

Proposed Changes

• read strategy from config and set it to EntityExtractionConfig, default is None which is aligned the definition of the field strategy.
• auto file format using poetry run poe format to fix error report

Checklist

• [x] I have tested these changes locally.
• [x] I have reviewed the code changes.
• [ ] I have updated the documentation (if necessary).
• [ ] I have added appropriate unit tests (if applicable).

Additional Notes

[Add any additional notes or context that may be helpful for the reviewer(s).]

[KylinMountain]

@AlonsoGuevara do you know what may cause this unit test fail? Actually, it's succeed in my local Mac, it is weird.

azurite --blobHost 127.0.0.1 --blobPort 10000
poetry run poe test_unit

[AlonsoGuevara]

Merged in #1046