Use relevant column mapper when reading an iceberg table #85829
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Use relevant column mapper when reading an iceberg table #85829
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Cherry pick #85829 to 25.8: Use relevant column mapper when reading an iceberg table
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Backport #85829 to 25.8: Use relevant column mapper when reading an iceberg table
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Changelog entry (a user-readable short description of the changes that goes into CHANGELOG.md):
Mapping between iceberg source ids and parquet names was not adjusted to the schema when the parquet file was written. This PR processes schema relevant for each iceberg data file, not a current one