message: Update screen snippet image type to png from jpg
diff: @@ -39,9 +39,9 @@ class ScreenSnippet {
  */
  public async capture(webContents: Electron.webContents) {
  logger.info(`screen-snippet-handler: Starting screen capture!`);
  - this.outputFileName = path.join(this.tempDir, 'symphonyImage-' + Date.now() + '.jpg');
  + this.outputFileName = path.join(this.tempDir, 'symphonyImage-' + Date.now() + '.png');
  this.captureUtilArgs = isMac
  - ? [ '-i', '-s', '-t', 'jpg', this.outputFileName ]
  + ? [ '-i', '-s', '-t', 'png', this.outputFileName ]
  : [ this.outputFileName, i18n.getLocale() ];
  logger.info(`screen-snippet-handler: Capturing snippet with file ${this.outputFileName} and args ${this.captureUtilArgs}!`);
  @@ -85,7 +85,7 @@ class ScreenSnippet {
  *
  * @param captureUtil {string}
  * @param captureUtilArgs {captureUtilArgs}
  - * @example execCmd('-i -s', '/user/desktop/symphonyImage-1544025391698.jpg')
  + * @example execCmd('-i -s', '/user/desktop/symphonyImage-1544025391698.png')
  */
  private execCmd(captureUtil: string, captureUtilArgs: ReadonlyArray<string>): Promise<ChildProcess> {
  return new Promise<ChildProcess>((resolve, reject) => {
  