Set correct timestamp in queue backend

[Jouzo]

Summary

• Pass down timestamp when creating EVM queue.
• Use timestamp as backend vicinity to use set timestamp as in construct_block
• Some smart contract are using https://github.com/DeFiPages/Decentralized-Crypto-Casino/blob/main/src/backend/contracts/Roulette.sol timestamp as randomness and this leads to different result/gas usage between TX applied in queue and in construct_block.
• Fixes TXs going above block gas limit. As we were only checking TXs total gas used while queueing the TXs, it was within bounds in queue but going randomly above while constructing block.