timeout playout builds after 2 minutes (#1269)

* add cancellation token support to playout builds and collection enumerators

* fix playout bug with shuffle in order

* update changelog

ErsatzTV.Core/Interfaces/Scheduling/IMultiEpisodeShuffleCollectionEnumeratorFactory.cs

@@ -7,5 +7,6 @@ public interface IMultiEpisodeShuffleCollectionEnumeratorFactory
     IMediaCollectionEnumerator Create(
         string jsScriptPath,
         IList<MediaItem> mediaItems,
-        CollectionEnumeratorState state);
+        CollectionEnumeratorState state,
+        CancellationToken cancellationToken);
 }

ErsatzTV.Core/Interfaces/Scheduling/IPlayoutBuilder.cs

@@ -5,5 +5,5 @@ namespace ErsatzTV.Core.Interfaces.Scheduling;
 
 public interface IPlayoutBuilder
 {
-    Task<Playout> Build(Playout playout, PlayoutBuildMode mode);
+    Task<Playout> Build(Playout playout, PlayoutBuildMode mode, CancellationToken cancellationToken);
 }

ErsatzTV.Core/Interfaces/Scheduling/IPlayoutModeScheduler.cs

@@ -10,5 +10,6 @@ public interface IPlayoutModeScheduler<in T> where T : ProgramScheduleItem
         Dictionary<CollectionKey, IMediaCollectionEnumerator> collectionEnumerators,
         T scheduleItem,
         ProgramScheduleItem nextScheduleItem,
-        DateTimeOffset hardStop);
+        DateTimeOffset hardStop,
+        CancellationToken cancellationToken);
 }