[core] Support re-overwrite by spark for chain table #7038
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[core]
Purpose
Linked issue: #7037
When re-overwrite data to delta branch, delete the corresponding partition on snapshot branch.
Tests
org.apache.paimon.spark.SparkCatalogWithHiveTest#testChainTable
org.apache.paimon.spark.SparkCatalogWithHiveTest#testHourlyChainTable