Fix another error on round restart when terminating spreaders (#23201)

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

Content.Server/Spreader/SpreaderSystem.cs

@@ -70,7 +70,8 @@ public sealed class SpreaderSystem : EntitySystem
 
         foreach (var neighbor in neighbors)
         {
-            EnsureComp<ActiveEdgeSpreaderComponent>(neighbor);
+            if (!TerminatingOrDeleted(neighbor))
+                EnsureComp<ActiveEdgeSpreaderComponent>(neighbor);
         }
     }