Describe the bug

Here is the native plan for a join. The join metrics of build_time and join_time get reported in the Spark UI but we do not report the metrics for fetching the input batches from the JVM or for unpacking dictionaries and performing deep copies where needed.

For this example it means we are reporting a time of ~410ms when the actual time is closer to ~600ms, and this is just for one partition.

HashJoinExec: metrics=[build_time=400.827077ms, join_time=8.557039ms]
  CopyExec [UnpackOrDeepCopy], metrics=[elapsed_compute=18.643737ms]
    ScanExec: source=[ShuffleQueryStage], metrics=[elapsed_compute=186.719525ms]
  CopyExec [UnpackOrDeepCopy], metrics=[..., elapsed_compute=293.113µs]
    ScanExec: source=[ShuffleQueryStage ...], metrics=[elapsed_compute=5.906924ms]

Steps to reproduce

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Expected behavior

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Additional context

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