message: Fixed desktop capturer issue which was caused by a regression
diff: @@ -45,7 +45,7 @@ function getSources(options, callback) {
  captureScreen = includes.call(options.types, 'screen');
  let updatedOptions = options;
  - if (updatedOptions.thumbnailSize === null) {
  + if (updatedOptions.thumbnailSize == null) {
  updatedOptions.thumbnailSize = {
  width: 150,
  height: 150
  