KAFKA-18461; Fix potential NPE in setDelta after map is erased #18684
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Addressed an issue where calling `setDelta` on a `Snapshot` could result in a `NullPointerException` if the `map` was set to `null` during the `erase` operation. This fix ensures that `setDelta` handles the scenario appropriately to prevent unexpected behavior.
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Addressed an issue where calling
setDeltaon aSnapshotcould result in aNullPointerExceptionif themapwas set tonullduring theeraseoperation. This fix ensures thatsetDeltahandles the scenario appropriately to prevent unexpected behavior.Committer Checklist (excluded from commit message)