Fix large playlist persistence

CONTRIBUTORS.md

@@ -238,6 +238,7 @@
  - [elio42](https://github.com/elio42)
  - [rwebster85](https://github.com/rwebster85)
  - [Florin-Popescu](https://github.com/Florin-Popescu)
+ - [martin-77](https://github.com/martin-77)
 
 # Emby Contributors
 

Jellyfin.Server.Implementations/Item/ItemPersistenceService.cs

@@ -538,7 +538,7 @@ public class ItemPersistenceService : IItemPersistenceService
                 var childIdsToCheck = resolvedChildren.Select(c => c.ChildId).Distinct().ToList();
                 var existingChildIds = childIdsToCheck.Count > 0
                     ? context.BaseItems
-                        .Where(e => childIdsToCheck.Contains(e.Id))
+                        .WhereOneOrMany(childIdsToCheck, e => e.Id)
                         .Select(e => e.Id)
                         .ToHashSet()
                     : [];