Refactor

Util/FrameReader.cs

@@ -15,9 +15,9 @@ namespace ADOFAIRenderer.Util
     {
         private const int InitialBufferSize = 16;
         
-        private readonly Stack<ReadbackRequestState> _statePool = new Stack<ReadbackRequestState>();
-        private readonly List<ReadbackRequestState> _allocatedStates = new List<ReadbackRequestState>();
-        private readonly object _poolLock = new object();
+        private readonly Stack<ReadbackRequestState> _statePool = new();
+        private readonly List<ReadbackRequestState> _allocatedStates = new();
+        private readonly object _poolLock = new();
         private bool _isInitialized;
         private volatile bool _isDisposed;