Fixes round restart audio clipping (#24044)

* Fix round end audio clipping

* weh

---------

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Client/Audio/BackgroundAudioSystem.cs

@@ -1,6 +1,7 @@
 using Content.Client.GameTicking.Managers;
 using Content.Client.Lobby;
 using Content.Shared.CCVar;
+using Content.Shared.GameTicking;
 using JetBrains.Annotations;
 using Robust.Client;
 using Robust.Client.State;
@@ -39,6 +40,8 @@ public sealed class BackgroundAudioSystem : EntitySystem
         _client.PlayerLeaveServer += OnLeave;
 
         _gameTicker.LobbySongUpdated += LobbySongUpdated;
+
+        SubscribeNetworkEvent<RoundRestartCleanupEvent>(PlayRestartSound);
     }
 
     public override void Shutdown()
@@ -129,4 +132,22 @@ public sealed class BackgroundAudioSystem : EntitySystem
     {
         LobbyStream = _audio.Stop(LobbyStream);
     }
+
+    private void PlayRestartSound(RoundRestartCleanupEvent ev)
+    {
+        if (!_configManager.GetCVar(CCVars.LobbyMusicEnabled))
+            return;
+
+        var file = _gameTicker.RestartSound;
+        if (string.IsNullOrEmpty(file))
+        {
+            return;
+        }
+
+        var volume = _lobbyParams.WithVolume(_lobbyParams.Volume +
+                                             SharedAudioSystem.GainToVolume(
+                                                 _configManager.GetCVar(CCVars.LobbyMusicVolume)));
+
+        _audio.PlayGlobal(file, Filter.Local(), false, volume);
+    }
 }