Support for Fields in multiple files without a `time` dimension #484

Job	Run time
mypy	4m 0s
py3.13 \| macos \| integration tests	15m 1s
py3.13 \| macos \| unit tests	4m 10s
py3.13 \| ubuntu \| integration tests	18m 26s
py3.13 \| ubuntu \| unit tests	5m 26s
py3.13 \| windows \| integration tests	30m 25s
py3.13 \| windows \| unit tests	10m 46s
py3.10 \| ubuntu \| integration tests	1m 28s
py3.10 \| ubuntu \| unit tests	5m 43s
py3.11 \| ubuntu \| unit tests	5m 37s
py3.12 \| ubuntu \| unit tests	5m 47s
merge-test-artifacts	0s
	1h 46m 49s

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