fix: restore complete admin feature dependencies

src/app/admin/rooms/show/[id]/page.tsx

@@ -49,12 +49,13 @@ export default async function RoomShowPage({
                 <Users className="h-4 w-4 text-muted-foreground" />
                 <span className="font-medium">{room.users}</span> / {room.usersMax} users
               </span>
-              <Link
-                href={`/admin/users/show/${room.owner.id}`}
-                className="text-primary hover:underline"
-              >
-                Owner: {room.owner.username}
-              </Link>
+              {room.owner ? (
+                <Link href={`/admin/users/show/${room.owner.id}`} className="text-primary hover:underline">
+                  Owner: {room.owner.username}
+                </Link>
+              ) : (
+                <span>Owner: {room.ownerName}</span>
+              )}
             </div>
           </div>
           <div className="flex gap-2">