buflist: Show rooms with unread events in red

src/buffers/log.rs

@@ -102,4 +102,9 @@ impl Buffer for LogBuffer {
   fn unread_notification_counts(&self) -> matrix_sdk::sync::UnreadNotificationsCount {
     Default::default()
   }
+
+  fn fully_read(&self) -> bool {
+    // TODO
+    true
+  }
 }