New chain contract for ERC-6492 validatior

[coffeexcoin]

I would like to propose the addition of a new property: chain.contracts.universalSignatureValidator for a canonical deployed signature validation contract.

The current validateHash public action uses a createless deploy of a signature validator which returns a value indicating if the signature is valid - this is useful for ERC-6492 validation of counterfactual smart wallets. One issue with the current implementation is that some chains (notably zk stack) do not support returning a value from a deployment the way the deployless validator works (zk stack has a canonical contract factory which only ever returns the contract address)

My proposal is to add the universalSignatureValidator for chains that do not support createless deploy and allow the chain to designate a deployed version of the UniversalSigValidator as the instance to be used. If the universalSignatureValidator exists, the action will simply call that address as opposed to doing a createless deploy.

[jxom]

Open to a PR!

[coffeexcoin]

Thanks! PR up at #2807