refactor(shwap): revert DataRoot -> DataHash #8273

Job	Run time
Markdown Lint	6s
setup	1s
yamllint	5s
hadolint / hadolint	8s
go-ci / Setup	1s
go-ci / Go Mod Tidy Check	1m 2s
go-ci / Lint	2m 53s
go-ci / Unit Tests Coverage (ubuntu-latest)	3m 56s
go-ci / Unit Tests Coverage (macos-14)	5m 56s
go-ci / Integration Tests / Integration Tests API	2m 54s
go-ci / Integration Tests / Integration Tests Blob	2m 48s
go-ci / Integration Tests / Da Tests Sync	2m 41s
go-ci / Integration Tests / Integration Tests Fraud	2m 53s
go-ci / Integration Tests / Integration Tests ND	2m 48s
go-ci / Integration Tests / Integration Tests p2p	2m 42s
go-ci / Integration Tests / Integration Tests Reconstruction	2m 39s
go-ci / Integration Tests / Integration Tests Sync	3m 10s
version_bump	0s
goreleaser	0s
upload-docs	0s
	36m 43s

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