message: minifix(gui): Only enable Kiosk Mode when FULLSCREEN is set
  This fixes the `kiosk` setting always being true, and causing
  the operating system's desktop to disappear.
  Change-Type: patch
diff: @@ -44,7 +44,7 @@ electron.app.on('ready', () => {
  maximizable: false,
  fullscreen: Boolean(process.env.ETCHER_FULLSCREEN),
  fullscreenable: Boolean(process.env.ETCHER_FULLSCREEN),
  - kiosk: true,
  + kiosk: Boolean(process.env.ETCHER_FULLSCREEN),
  autoHideMenuBar: true,
  titleBarStyle: 'hidden-inset',
  icon: path.join(__dirname, '..', '..', 'assets', 'icon.png'),
  