Fix RowCoderGenerator to use the encodingPositions when encoding and … #29305

Job	Run time
Check environment variables	14s
Build python source distribution	1m 9s
Prepare GCS	14s
Build python wheels on for ubuntu-20.04	8m 30s
Build python wheels on for ubuntu-20.04	8m 37s
Build python wheels on for ubuntu-20.04	8m 37s
Build python wheels on for ubuntu-20.04	8m 21s
Build python wheels on for ubuntu-20.04	8m 37s
Build python wheels on for macos-13	3m 33s
Build python wheels on for macos-13	5m 3s
Build python wheels on for macos-13	4m 11s
Build python wheels on for macos-13	3m 46s
Build python wheels on for macos-13	3m 40s
Build python wheels on for windows-latest	5m 22s
Build python wheels on for windows-latest	4m 49s
Build python wheels on for windows-latest	4m 47s
Build python wheels on for windows-latest	6m 56s
Build python wheels on for windows-latest	6m 57s
Build python wheels on for ubuntu-20.04	8m 37s
Build python wheels on for ubuntu-20.04	8m 35s
Build python wheels on for ubuntu-20.04	8m 35s
Build python wheels on for ubuntu-20.04	8m 37s
Build python wheels on for ubuntu-20.04	8m 37s
Upload python source distribution to GCS bucket	14s
Branch repo nightly	0s
Upload wheels to GCS bucket	0s
List files on Google Cloud Storage Bucket	0s
	2h 16m 38s

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