fix lossy origin regression 12a8c9badd

Signed-off-by: Jason Volk <jason@zemos.net>

src/api/client_server/sync.rs

@@ -304,6 +304,7 @@ async fn sync_helper(
 			let event = PduEvent {
 				event_id: EventId::new(services().globals.server_name()).into(),
 				sender: sender_user.clone(),
+				origin: None,
 				origin_server_ts: utils::millis_since_unix_epoch()
 					.try_into()
 					.expect("Timestamp is valid js_int value"),

src/service/pdu.rs

@@ -32,6 +32,8 @@ pub struct PduEvent {
 	pub event_id: Arc<EventId>,
 	pub room_id: OwnedRoomId,
 	pub sender: OwnedUserId,
+	#[serde(skip_serializing_if = "Option::is_none")]
+	pub origin: Option<String>,
 	pub origin_server_ts: UInt,
 	#[serde(rename = "type")]
 	pub kind: TimelineEventType,

src/service/rooms/timeline/mod.rs

@@ -719,6 +719,7 @@ impl Service {
 			event_id: ruma::event_id!("$thiswillbefilledinlater").into(),
 			room_id: room_id.to_owned(),
 			sender: sender.to_owned(),
+			origin: None,
 			origin_server_ts: utils::millis_since_unix_epoch()
 				.try_into()
 				.expect("time is valid"),