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There was an error in the logic that made peers never become "offline" since the logic to switch the state (
lastSeenToStatus
) was only being called if a Pong was received but if a peer is offline, a Pong would never be received.While trying to fix it I noticed that in my opinion the "idle" status does not add a lot of value in that context (someone is either reachable within a certain time span or not reachable). The "idle" status how I'm used to from other applications would more be determined by whether that peer is active in the given application (e.g. whether they have the application focused or move their mouse around).
Since it also makes the solution to the issue simpler this PR therefore removes the "idle" status.