Merge pull request #2215 from keveleigh/CursorStateFix

[Cursor] Properly track sources that were detected before registering as a global listener

Author: David Kline

Assets/HoloToolkit/Input/Scripts/Cursor/Cursor.cs

@@ -204,6 +204,10 @@ private void OnDestroy()
         /// </summary>
         protected virtual void RegisterManagers()
         {
+            // This accounts for any input sources that were detected before we register as a global listener below.
+            visibleHandsCount = (uint)InputManager.Instance.DetectedInputSources.Count;
+            IsHandVisible = visibleHandsCount > 0;
+
             // Register the cursor as a global listener, so that it can always get input events it cares about
             InputManager.Instance.AddGlobalListener(gameObject);