Update MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs

Co-Authored-By: cvium <cvium@users.noreply.github.com>

MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs

@@ -366,7 +366,7 @@ namespace MediaBrowser.Api.Playback.Progressive
             // Headers only
             if (isHeadRequest)
             {
-                return ResultFactory.GetResult(null, new byte[] { }, contentType, responseHeaders);
+                return ResultFactory.GetResult(null, Array.Empty<byte>(), contentType, responseHeaders);
             }
 
             var transcodingLock = ApiEntryPoint.Instance.GetTranscodingLock(outputPath);