Use original funding TXO to get channel monitors

lightning/src/ln/channelmanager.rs

@@ -8876,7 +8876,7 @@ where
 			for (_, chan) in peer_state.channel_by_id.iter() {
 				// Channels that were persisted have to be funded, otherwise they should have been
 				// discarded.
-				let funding_txo = chan.context.get_funding_txo().ok_or(DecodeError::InvalidValue)?;
+				let funding_txo = chan.context.get_original_funding_txo().ok_or(DecodeError::InvalidValue)?;
 				let monitor = args.channel_monitors.get(&funding_txo)
 					.expect("We already checked for monitor presence when loading channels");
 				let mut max_in_flight_update_id = monitor.get_latest_update_id();