fix: don't send new events from left rooms

src/client_server/room.rs

@@ -395,6 +395,7 @@ pub async fn upgrade_room_route(
         db.rooms
             .room_state_get(&body.room_id, &EventType::RoomCreate, "")?
             .ok_or_else(|| Error::bad_database("Found room without m.room.create event."))?
+            .1
             .content,
     )
     .expect("Raw::from_value always works")
@@ -470,7 +471,7 @@ pub async fn upgrade_room_route(
     // Replicate transferable state events to the new room
     for event_type in transferable_state_events {
         let event_content = match db.rooms.room_state_get(&body.room_id, &event_type, "")? {
-            Some(v) => v.content.clone(),
+            Some((_, v)) => v.content.clone(),
             None => continue, // Skipping missing events.
         };
 
@@ -502,6 +503,7 @@ pub async fn upgrade_room_route(
             db.rooms
                 .room_state_get(&body.room_id, &EventType::RoomPowerLevels, "")?
                 .ok_or_else(|| Error::bad_database("Found room without m.room.create event."))?
+                .1
                 .content,
         )
         .expect("database contains invalid PDU")