fix(sync/v2): Room leaves being omitted incorrectly

Partially borrowed from 85a84f93c7

src/api/server/send.rs

@@ -167,7 +167,7 @@ async fn handle(
 		.try_stream()
 		.broad_and_then(|(room_id, pdus): (_, Vec<_>)| {
 			let count = pdus.len();
-			handle_room(services, client, origin, started, room_id, pdus.into_iter(), count)
+			handle_room(services, client, origin, started, room_id, pdus.into_iter(), count, transaction_id)
 				.map_ok(Vec::into_iter)
 				.map_ok(IterStream::try_stream)
 		})
@@ -180,7 +180,7 @@ async fn handle(
 		edus = pdu_start.saturating_duration_since(handle_start).as_micros(),
 		pdus = results_start.saturating_duration_since(pdu_start).as_micros(),
 		handle_room = handle_stop.saturating_duration_since(results_start).as_micros(),
-		id = ?transaction_id,
+		transaction_id = ?transaction_id,
 		"handled incoming transaction",
 	);
 	Ok(results)
@@ -194,6 +194,7 @@ async fn handle_room(
 	room_id: OwnedRoomId,
 	pdus: impl Iterator<Item = Pdu> + Send,
 	count: usize,
+	transaction_id: &str,
 ) -> Result<Vec<(OwnedEventId, Result)>> {
 	let _room_lock = services
 		.rooms
@@ -211,6 +212,7 @@ async fn handle_room(
 			trace!(
 				%room_id,
 				%event_id,
+				transaction_id = ?transaction_id,
 				pdu = n + 1,
 				total = count,
 				pdu_elapsed = ?pdu_start_time.elapsed(),
@@ -227,11 +229,12 @@ async fn handle_room(
 			info!(
 				%room_id,
 				%event_id,
+				transaction_id = ?transaction_id,
 				pdu = n + 1,
 				total = count,
 				pdu_elapsed = ?pdu_start_time.elapsed(),
 				txn_elapsed = ?txn_start_time.elapsed(),
-				"Finished handling PDU {event_id}",
+				"Finished handling PDU",
 			);
 			n += 1;