[BUG] test_mixed_compress_read orc_test.py failures

[tgravescs]

Describe the bug
our nightly integration tests failued:

08:42:31  FAILED ../../src/main/python/orc_test.py::test_mixed_compress_read[{'spark.rapids.sql.format.orc.reader.type': 'PERFILE'}-][IGNORE_ORDER]
08:42:31  FAILED ../../src/main/python/orc_test.py::test_mixed_compress_read[{'spark.rapids.sql.format.orc.reader.type': 'PERFILE'}-orc][IGNORE_ORDER]
08:42:31  FAILED ../../src/main/python/orc_test.py::test_mixed_compress_read[{'spark.rapids.sql.format.orc.reader.type': 'MULTITHREADED'}-][IGNORE_ORDER]
08:42:31  FAILED ../../src/main/python/orc_test.py::test_mixed_compress_read[{'spark.rapids.sql.format.orc.reader.type': 'MULTITHREADED'}-orc][IGNORE_ORDER]
08:42:31  FAILED ../../src/main/python/orc_test.py::test_mixed_compress_read[{'spark.rapids.sql.format.orc.reader.type': 'COALESCING'}-][IGNORE_ORDER]
08:42:31  FAILED ../../src/main/python/orc_test.py::test_mixed_compress_read[{'spark.rapids.sql.format.orc.reader.type': 'COALESCING'}-orc][IGNORE_ORDER]

08:42:31  �[1m�[31mE                   Caused by: java.lang.NullPointerException�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.shims.v2.OrcShims$.newOrcOutStream(OrcShims.scala:75)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcCodecWritingHelper.$anonfun$withCodecOutputStream$1(GpuOrcScanBase.scala:1539)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource(Arm.scala:28)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource$(Arm.scala:26)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.withResource(GpuOrcScanBase.scala:1555)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcCodecWritingHelper.withCodecOutputStream(GpuOrcScanBase.scala:1523)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcCodecWritingHelper.withCodecOutputStream$(GpuOrcScanBase.scala:1518)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.withCodecOutputStream(GpuOrcScanBase.scala:1555)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.$anonfun$stripeSize$2(GpuOrcScanBase.scala:1584)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.$anonfun$stripeSize$2$adapted(GpuOrcScanBase.scala:1583)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource(Arm.scala:28)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource$(Arm.scala:26)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.withResource(GpuOrcScanBase.scala:1555)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.$anonfun$stripeSize$1(GpuOrcScanBase.scala:1583)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.$anonfun$stripeSize$1$adapted(GpuOrcScanBase.scala:1582)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource(Arm.scala:28)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource$(Arm.scala:26)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.withResource(GpuOrcScanBase.scala:1555)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.stripeSize$lzycompute(GpuOrcScanBase.scala:1582)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.stripeSize(GpuOrcScanBase.scala:1569)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.OrcDataStripe.getBlockSize(GpuOrcScanBase.scala:1565)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.MultiFileOrcPartitionReader.$anonfun$calculateEstimatedBlocksOutputSize$2(GpuOrcScanBase.scala:1784)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.MultiFileOrcPartitionReader.$anonfun$calculateEstimatedBlocksOutputSize$2$adapted(GpuOrcScanBase.scala:1782)�[0m
08:42:31  �[1m�[31mE                   	at scala.collection.mutable.ResizableArray.foreach(ResizableArray.scala:62)�[0m
08:42:31  �[1m�[31mE                   	at scala.collection.mutable.ResizableArray.foreach$(ResizableArray.scala:55)�[0m
08:42:31  �[1m�[31mE                   	at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:49)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.MultiFileOrcPartitionReader.$anonfun$calculateEstimatedBlocksOutputSize$1(GpuOrcScanBase.scala:1782)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.MultiFileOrcPartitionReader.$anonfun$calculateEstimatedBlocksOutputSize$1$adapted(GpuOrcScanBase.scala:1776)�[0m
08:42:31  �[1m�[31mE                   	at scala.collection.mutable.LinkedHashMap.foreach(LinkedHashMap.scala:152)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.MultiFileOrcPartitionReader.calculateEstimatedBlocksOutputSize(GpuOrcScanBase.scala:1776)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.MultiFileCoalescingPartitionReaderBase.$anonfun$readPartFiles$1(GpuMultiFileReader.scala:797)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource(Arm.scala:28)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.Arm.withResource$(Arm.scala:26)�[0m
08:42:31  �[1m�[31mE                   	at com.nvidia.spark.rapids.FilePartitionReaderBase.withResource(GpuMultiFileReader.scala:235)�[0m

[jlowe]

This is caused by #4408. The code does not expect codec to be null, but it can be if no compression is configured for the file.