rpcdaemon: post EIP1559 balance check done on max_fee_per_gas and max_blob_per_gas

[lupin012]

Internally we always manage transactions using post EIP-1559 attributes i.e. base_fee_per_gas, max_fee_per_gas, max_priority_fee_per_gas, converting back and forth to/from pre EIP-1559 gas_price. Specifically:

• when a transaction is decoded from storage, it is adapted to post EIP-1559 format (even if the transaction is pre EIP-1559)
• when a client issues any JSON RPC call API (e.g. eth_call), the Call parameters are converted to post EIP-1559 format here
• rpc::EVMExecutor relies only on post EIP-1559 Transaction::effective_gas_price to calculate the gas price and this works both pre and post EIP-1559
• in order to check if the sender balance is sufficient, we now use max_fee_per_gas (before we used the effective gas price)