Remove ExtraIds column and use OwnerId relationship for extras

- Remove ExtraIds property from BaseItemEntity and BaseItem
- Update RefreshExtras to query via OwnerId instead of cached ExtraIds
- Update GetExtras methods to query database via OwnerIds filter
- Add OwnerIds and ExtraTypes filter support to InternalItemsQuery
- Add filter handling in BaseItemRepository for new query options
- Update HasSpecialFeature/HasTrailer filters to use Extras relationship
- Add CleanupOrphanedExtras migration routine
- Add database migration to drop ExtraIds column

1 files changed, 2 insertions, 4 deletions

diff --git a/Jellyfin.Server/Migrations/Routines/MigrateLibraryDb.cs b/Jellyfin.Server/Migrations/Routines/MigrateLibraryDb.cs
index 3150f70baa..2c96f00761 100644
--- a/Jellyfin.Server/Migrations/Routines/MigrateLibraryDb.cs
+++ b/Jellyfin.Server/Migrations/Routines/MigrateLibraryDb.cs
@@ -1176,10 +1176,8 @@ internal class MigrateLibraryDb : IDatabaseMigrationRoutine
             entity.ProductionLocations = productionLocations;
         }
 
-        if (reader.TryGetString(index++, out var extraIds))
-        {
-            entity.ExtraIds = extraIds;
-        }
+        // Skip ExtraIds column (removed - extras are now tracked via OwnerId relationship)
+        index++;
 
         if (reader.TryGetInt32(index++, out var totalBitrate))
         {