change the option name according to newfold standards

[ramyakrishnai]

Proposed changes

Change the option name according to newfold standards from showMigrationSteps to nfd_show_migration_steps

Type of Change

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• Linting and tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

Further comments

[ramyakrishnai]

This needs to go live with same version of BH when newfold-labs/wp-module-migration#23 went live

[sangeetha-nayak]

Could you please update the same in one of cypress file as well? Please see the usage in trunk here

[ramyakrishnai]

Could you please update the same in one of cypress file as well? Please see the usage in trunk here

Done @sangeetha-nayak.
Can you please confirm if there is any where else that I need to change.

Thanks!