[Spark] Use parsed_stats from checkpoints in loadActions when available #5924
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Which Delta project/connector is this regarding?
Description
Updates loadActions so that it fetches stats from parsed_stats and emits them in the stats column for further usage. This also helps maintain stats in the checkpoint when some table has statsAsJson disabled and statsAsStruct enabled.
How was this patch tested?
DeltaCheckpointWithStructColsSuite
Does this PR introduce any user-facing changes?
No