Fix datum conversion in 'fromLedgerTxOuts' when using 'fromAlonzoTxOut' #3413

Job	Run time
build (3.12, 9.6, macos-latest, bash)	5m 18s
build (8.10.7, 3.12, ubuntu-latest, bash)	8m 27s
build (8.10.7, 3.12, windows-latest, C:/msys64/usr/bin/bash.exe -e {0})	10m 44s
build (9.10, 3.12, ubuntu-latest, bash)	4m 17s
build (9.10, 3.12, windows-latest, C:/msys64/usr/bin/bash.exe -e {0})	8m 33s
build (9.6, 3.12, ubuntu-latest, bash)	5m 59s
build (9.6, 3.12, windows-latest, C:/msys64/usr/bin/bash.exe -e {0})	9m 23s
build-complete	1s
release	0s
	52m 42s

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