Make Data conform to Sequence

[marcprux]

No description provided.

[marcprux]

From the test case failure, I think we need to change the logic of the JSON encoding/decoding to handle Data before Sequence.

testJSONCodable$SkipFoundation_debugUnitTest skip.lib.DecodingError$DataCorruptedCase
skip.lib.DecodingError$DataCorruptedCase
	at skip.lib.DecodingError$Companion.dataCorrupted(CodableSupport.kt:107)
	at skip.foundation.JSONDecoderImpl.unwrapData(JSONDecoder.kt:341)
	at skip.foundation.JSONDecoderImpl.unwrap$SkipFoundation_debug(JSONDecoder.kt:259)
	at skip.foundation.JSONKeyedDecodingContainer.decode(JSONDecoder.kt:590)
	at skip.lib.KeyedDecodingContainer.decode(Codable.kt:848)
	at skip.foundation.TestJSON$DataField.<init>(JSONTests.kt:393)
	at skip.foundation.TestJSON$DataField$Companion.init(JSONTests.kt:398)
	at skip.foundation.TestJSON$DataField$Companion.init(JSONTests.kt:396)
	at skip.foundation.JSONDecoderImpl.unwrap$SkipFoundation_debug(JSONDecoder.kt:270)
	at skip.foundation.JSONSingleValueDecodingContainer.decode(JSONDecoder.kt:439)
	at skip.lib.SingleValueDecodingContainer.decode(Codable.kt:1316)
	at skip.foundation.TestJSON$testJSONCodable$$inlined$roundtrip$default$65.invoke(Codable.kt:1423)
	at skip.foundation.TestJSON$testJSONCodable$$inlined$roundtrip$default$65.invoke(Codable.kt:1423)
	at skip.foundation.TestJSON.testJSONCodable$SkipFoundation_debugUnitTest(JSONTests.kt:2979)