fix: enable legacy data migration by default

[falconandy]

Summary

Enable migrateLegacyData configuration option by default.

Checklist

• [x] Does your PR title have the correct title format?
• Does your PR have a breaking change?: No

[github-actions[bot]]

:tada: This PR is included in version 1.10.2 :tada:

The release is available on:

• GitHub release
• v1.10.2

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