Splice update timer to 8 hours for inbound timer

proxy/vless/inbound/inbound.go

@@ -502,6 +502,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection s
 	sessionPolicy = h.policyManager.ForLevel(request.User.Level)
 	ctx, cancel := context.WithCancel(ctx)
 	timer := signal.CancelAfterInactivity(ctx, cancel, sessionPolicy.Timeouts.ConnectionIdle)
+	inbound.Timer = timer
 	ctx = policy.ContextWithBufferPolicy(ctx, sessionPolicy.Buffer)
 
 	link, err := dispatcher.Dispatch(ctx, request.Destination())