Added Information on Merges in system.part_log Table

Why it matters

This feature enhances visibility into the merging process of parts by providing additional merge-related data in the system.part_log table, helping users better understand and diagnose merges within their tables.

How to use it

Users can query the system.part_log table as usual to access the new merge-related information. No additional configuration is required to start seeing the expanded merge details.