delay disposing of stream to after writing

Author: mvdgun

FileSystem/src/FileSystem.cs

@@ -954,7 +954,7 @@ public async Task MoveFileAsync(string virtualSourcePath, string virtualDestinat
                     destinationAdapter.ClearCache();
                 }
 
-                using var fileStream = await sourceAdapter.ReadFileStreamAsync(virtualSourcePath, cancellationToken);
+                var fileStream = await sourceAdapter.ReadFileStreamAsync(virtualSourcePath, cancellationToken);
                 await destinationAdapter.WriteFileAsync(virtualDestinationPath, fileStream, overwrite, cancellationToken);
 
                 fileStream.Dispose();