Property user_id being set to null through jitsu/js

[brianlmoon]

Summary

When submitting a payload through jitsu/js to the track function, any property named user_id is set to null. This does not happen when submitting to our self hosted jitsu through other means. It only happens with jitsu/js.

System configuration and versions

2.9.0

Artifacts (logs, etc)

The following code in Typescript

    const response = await analytics.track('test', {user_id: 10, uid: 10})

yields this in the logs:

"user_id":null,"uid":10

[github-actions]

This issue is stale because it has been open for 60 days with no activity.