Finish flags disappears for *all* players when going into first-person

When going into first-person view in multiplayer, the finish flags that circles players that have finished the map disappears for not just yourself but all players. This can be confusing when viewing other players in first-person, since it looks like nobody has finished the map even if they are standing behind the exit sign.

This recording demonstrates it; notice that the finish flags disappears for everyone when going into first-person view: