erc 6942 validation

[guru-web3]

Title: Add ERC-6942 Signature Validation for Pre-Deployed Contracts

Summary: signature validation using ERC-6942, which enables verifying signatures for smart contract wallets even when they aren't deployed. This is necessary because some wallets delay contract deployment until the first transaction. By adopting ERC-6942, we validate signatures before wallet deployment.

Details:

isValidateSignature() currently validates deployed contract signatures.
ERC-6942 allows signature verification even when a contract is in the pre-deployment state.
This approach avoids delayed wallet interactions and enhances user experience.
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