WrappedDataHash obfuscates 1271 hash

[zhongeric]

Evaluate tradeoffs w/ replayability

[zhongeric]

Could cache 1271 signature

[zhongeric]

Initial consensus is that we should handle this on the wallet / client side (i.e. showing the user the original type and values)

[zhongeric]

Consider https://eips.ethereum.org/EIPS/eip-7739