✈️ Better migration to new cloud files reference system

DysonNetwork.Sphere/Realm/Realm.cs

@@ -19,6 +19,10 @@ public class Realm : ModelBase, IIdentifiedResource
     public Instant? VerifiedAt { get; set; }
     public bool IsCommunity { get; set; }
     public bool IsPublic { get; set; }
+    
+    // Outdated fields, for backward compability
+    [MaxLength(32)] public string? PictureId { get; set; }
+    [MaxLength(32)] public string? BackgroundId { get; set; }
 
     [Column(TypeName = "jsonb")] public CloudFileReferenceObject? Picture { get; set; }
     [Column(TypeName = "jsonb")] public CloudFileReferenceObject? Background { get; set; }

DysonNetwork.Sphere/Realm/RealmController.cs

@@ -24,8 +24,6 @@ public class RealmController(
     {
         var realm = await db.Realms
             .Where(e => e.Slug == slug)
-            .Include(e => e.Picture)
-            .Include(e => e.Background)
             .FirstOrDefaultAsync();
         if (realm is null) return NotFound();