NSFS | NC | CLI | Add force_md5_etag option to account and bucket

[nadavMiz]

Explain the changes

1. add an option to set force_md5_etag to both account bucket add and update in the nsfs manager cli. add this option to the account and bucket schema
2. change force_md5_etag logic to first check if it is defined for the bucket, if not check if it is defined for the account, and if it isn't defined for both of them use default config.NSFS_CALCULATE_MD5.
3. add an option to unset the force_md5_etag flag to both the account and bucket

Issues: Fixed #xxx / Gap #xxx

1. NSFS | NC | CLI | Add force_md5_etag option to account and bucket schema/create/update  #7616

Testing Instructions:

1. for bucket tests run: sudo npx jest test_nc_nsfs_bucket_cli.test.js
2. for account tests run sudo npx jest test_nc_nsfs_account_cli.test.js
3. for schema tests run sudo npx jest test_nc_nsfs_bucket_schema_validation.test.js

• Doc added/updated
• Tests added