Remove type casting of field data #644

Job	Run time
mypy	3m 36s
py3.13 \| macos \| integration tests	12m 8s
py3.13 \| macos \| unit tests	7m 18s
py3.13 \| ubuntu \| integration tests	14m 16s
py3.13 \| ubuntu \| unit tests	9m 14s
py3.13 \| windows \| integration tests	24m 21s
py3.13 \| windows \| unit tests	12m 10s
py3.10 \| ubuntu \| integration tests	24m 54s
py3.10 \| ubuntu \| unit tests	10m 22s
py3.11 \| ubuntu \| unit tests	10m 27s
py3.12 \| ubuntu \| unit tests	9m 57s
merge-test-artifacts	2s
	2h 18m 45s

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