Support code delegations when purging confirmed blocks in the layered txpool

[fab-10]

PR description

When an EIP-7702 transaction is confirmed, we need to look at its code delegations and extract the nonce for the authority and use that information to purge pending transaction in the txpool, like we do for the senders of all the confirmed txs.

Fixed Issue(s)

fixes #7985

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[daniellehrner]

The chain id of the authorisation tuple has recently been changed from uint64 to uint256. Does the size need to be changed because of that?

[fab-10]

the estimation trades the accuracy for speed, so the chainId is estimated on the base it is a long, which is true for named networks and probably in most of the other cases, so I think we can keep this estimation, also because for a EIP-7702 tx to be in the pool the chainIds in the authorization tuple must be 0 or match the networkId.