Implement send_raw_transaction_conditional endpoint

[mattsse]

we need an implementation of this

reth/crates/rpc/rpc-eth-api/src/ext.rs

Lines 10 to 13 in 50715c8

	pub trait L2EthApiExt {
	/// Sends signed transaction with the given condition.
	#[method(name = "sendRawTransactionConditional")]
	async fn send_raw_transaction_conditional(

for optimism, which needs access to the pool that operates with an op txtype that also stores conditionals