Stop>Set Sequence>Play causes spawnables to be duplicated
There is an alternate repro (see attached image) that uses Create Level Sequence Player, but that one seems expected since it is, well, creating a new Sequence Player
Result: Each time you hit F, it fires off a sequence of Stop, Set Sequence, and Play on the level sequence. When you do this, it spawns a new directional light and particle system.
Expected: Spawnables disappear after a new sequence is set
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