Support dedicated lanes for pallets (#962)

* pass call origin to the message verifier

* is_outbound_lane_enabled -> is_message_accepted

* trait SenderOrigin

* only accept messages from token swap pallet to token swap lane

* tests for edge cases of pay_delivery_and_dispatch_fee

* fixed origin verification

* fmt

* fix benchmarks compilation

* fix TODO with None account and non-zero message fee (already covered by tests)

* revert cargo fmt changes temporarily

bridges/bin/rialto/runtime/src/lib.rs

@@ -457,10 +457,9 @@ impl pallet_bridge_messages::Config<WithMillauMessagesInstance> for Runtime {
 	type MessageDeliveryAndDispatchPayment =
 		pallet_bridge_messages::instant_payments::InstantCurrencyPayments<
 			Runtime,
-			(),
+			WithMillauMessagesInstance,
 			pallet_balances::Pallet<Runtime>,
 			GetDeliveryConfirmationTransactionFee,
-			RootAccountForPayments,
 		>;
 	type OnMessageAccepted = ();
 	type OnDeliveryConfirmed = ();