Unrevert audio (#21330)

Co-authored-by: Pieter-Jan Briers <pieterjan.briers@gmail.com>

Content.Shared/Traits/Assorted/ParacusiaComponent.cs

@@ -43,5 +43,5 @@ public sealed partial class ParacusiaComponent : Component
     [DataField("timeBetweenIncidents", customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
     public TimeSpan NextIncidentTime;
 
-    public IPlayingAudioStream? Stream;
+    public EntityUid? Stream;
 }