fix(legend): Fix bug when serializing ordinal dict from JSON

[chriswmackey]

I didn't realize that JSON will turn all dictionary keys into strings. This addresses this upon re-serialization.

[github-actions[bot]]

:tada: This PR is included in version 0.41.2 :tada:

The release is available on:

• GitHub release
• v0.41.2

Your semantic-release bot :package::rocket: