fix yaml playout builds after refactor (#2233)

ErsatzTV.Core/Scheduling/YamlScheduling/Handlers/YamlPlayoutAllHandler.cs

@@ -46,6 +46,7 @@ public class YamlPlayoutAllHandler(EnumeratorCache enumeratorCache) : YamlPlayou
                     // create a playout item
                     var playoutItem = new PlayoutItem
                     {
+                        MediaItem = mediaItem,
                         MediaItemId = mediaItem.Id,
                         Start = context.CurrentTime.UtcDateTime,
                         Finish = context.CurrentTime.UtcDateTime + itemDuration,

ErsatzTV.Core/Scheduling/YamlScheduling/Handlers/YamlPlayoutCountHandler.cs

@@ -71,6 +71,7 @@ public class YamlPlayoutCountHandler(EnumeratorCache enumeratorCache) : YamlPlay
                     // create a playout item
                     var playoutItem = new PlayoutItem
                     {
+                        MediaItem = mediaItem,
                         MediaItemId = mediaItem.Id,
                         Start = context.CurrentTime.UtcDateTime,
                         Finish = context.CurrentTime.UtcDateTime + itemDuration,