fix: Conflict during Batch Upsert - BED-7483#50

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kpowderly wants to merge 3 commits intomainfrom

Commits on Mar 26, 2026

proposed fix it to shallow clone the properties map so the batch holds an independent copy - this means that changes to unique key would no longer cause collisions
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Merge remote-tracking branch 'origin/main' into BED-7483
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removed header
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