feat(core): Unify NanoTDF and ZTDF APIs #5770

Job	Run time
Protocol Buffer Lint and Gencode Up-to-date check	19s
go (examples)	1m 9s
go (sdk)	1m 9s
image build	1m 57s
integration tests	4m 6s
go (service)	1m 11s
license check	50s
go (lib/ocrypto)	54s
otdfctl e2e tests	3m 36s
go (lib/fixtures)	55s
go (lib/flattening)	48s
platform-xtest / cross-client-test	7m 18s
ci	1s
	24m 13s

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