Blocker - Instigated sequence props' collision affect all players

Half of the point of an instigated level sequence is to give access to an area that another player doesn’t yet, however, the collision of a prop that moves only for one player gets removed for all players, and they can just phase through that prop.

This is an elevator door that has opened for another player using a cinematic sequence device. Even though I see its mesh in place, the collision doesn’t work anymore. Normally the collision should be there up until I open the door.