fix playout building (#486)

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## [Unreleased]
 ### Fixed
 - Include other video title in channel guide (xmltv)
+- Fix bug introduced with 0.2.4-alpha that caused some playouts to build from year 0
 
 ### Added
 - Build osx-arm64 packages on release

ErsatzTV.Core/Scheduling/PlayoutBuilder.cs

@@ -89,6 +89,12 @@ namespace ErsatzTV.Core.Scheduling
                 playout.ProgramScheduleAnchors.Clear();
             }
 
+            // this works around weird EF behavior
+            if (playout.Anchor?.NextStart.Year < 2021)
+            {
+                playout.Anchor = null;
+            }
+
             var sortedScheduleItems = playout.ProgramSchedule.Items.OrderBy(i => i.Index).ToList();
             var collectionEnumerators = new Dictionary<CollectionKey, IMediaCollectionEnumerator>();
             foreach ((CollectionKey collectionKey, List<MediaItem> mediaItems) in collectionMediaItems)