Fix rounds restarting in the next round (#25856)

* Fix rounds restarting in the next round

Doesn't fix them restarting in lobby I think but should fix most of it.

* delta india sierra charlie oscar romeo delta

Content.Server/Shuttles/Systems/EmergencyShuttleSystem.cs

@@ -19,6 +19,7 @@ using Content.Shared.Access.Systems;
 using Content.Shared.CCVar;
 using Content.Shared.Database;
 using Content.Shared.DeviceNetwork;
+using Content.Shared.GameTicking;
 using Content.Shared.Shuttles.Components;
 using Content.Shared.Shuttles.Events;
 using Content.Shared.Tag;
@@ -80,6 +81,7 @@ public sealed partial class EmergencyShuttleSystem : EntitySystem
         Subs.CVar(_configManager, CCVars.EmergencyShuttleEnabled, SetEmergencyShuttleEnabled);
 
         SubscribeLocalEvent<RoundStartingEvent>(OnRoundStart);
+        SubscribeLocalEvent<RoundRestartCleanupEvent>(OnRoundCleanup);
         SubscribeLocalEvent<StationEmergencyShuttleComponent, ComponentStartup>(OnStationStartup);
         SubscribeLocalEvent<StationCentcommComponent, ComponentShutdown>(OnCentcommShutdown);
         SubscribeLocalEvent<StationCentcommComponent, ComponentInit>(OnCentcommInit);
@@ -93,10 +95,15 @@ public sealed partial class EmergencyShuttleSystem : EntitySystem
     private void OnRoundStart(RoundStartingEvent ev)
     {
         CleanupEmergencyConsole();
-        _roundEndCancelToken?.Cancel();
         _roundEndCancelToken = new CancellationTokenSource();
     }
 
+    private void OnRoundCleanup(RoundRestartCleanupEvent ev)
+    {
+        _roundEndCancelToken?.Cancel();
+        _roundEndCancelToken = null;
+    }
+
     private void OnCentcommShutdown(EntityUid uid, StationCentcommComponent component, ComponentShutdown args)
     {
         ClearCentcomm(component);