Summary

As a developer of ClusterLogForwarder,
I need to add the message field to an internal field in the viaq data model,  so that it can be used later regardless of being deleted within the viaq VRL

Acceptance Criteria

• Verify this field is added to the top of the remaps for each type and source.
• Verify forwarded records via all outputs do not in include an "_internal" field
• Verify _internal.message is accessible in the scope of the event remaps, etc

Notes

• This is to allow us to send it as "body" to OTLP output, despite message being parsed and deleted in most filters.