fix: incremental lazy loading

src/client_server/sync.rs

@@ -484,6 +484,8 @@ async fn sync_helper(
 
                     state_events.push(pdu);
                 }
+            }
+
             for (_, event) in &timeline_pdus {
                 if lazy_loaded.contains(&event.sender) {
                     continue;
@@ -496,16 +498,13 @@ async fn sync_helper(
                     &event.sender,
                 )? || lazy_load_send_redundant
                 {
-                        let pdu = match db.rooms.get_pdu(&id)? {
+                    if let Some(member_event) = db.rooms.room_state_get(
-                            Some(pdu) => pdu,
+                        &room_id,
-                            None => {
+                        &EventType::RoomMember,
-                                error!("Pdu in state not found: {}", id);
+                        event.sender.as_str(),
-                                continue;
+                    )? {
-                            }
-                        };
-
                         lazy_loaded.insert(event.sender.clone());
-                        state_events.push(pdu);
+                        state_events.push(member_event);
                     }
                 }
             }