Custom Events get unbound when duplicating Level Sequences

Custom Events get unbound when duplicating Level Sequences

1. Open any project
2. Create a level sequence 
3. Open the level sequence
4. Select + Track > Event Track > Trigger
5. Add a key on the event track
6. Double click on the key
7. Close the sequence director
8. In the content browser duplicate or copy and paste the level sequence
9. Open the new sequence
10. Right click the key on the event track
11. Select Properties

Result: Event is unbound

Expected: Event to be bound to the event created in the initial sequence