### Preflight Checklist
* [x] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
* [x] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
* [x] I have searched the issue tracker for an issue that matches the one I want to file, without success.

### Issue Details

* **Electron Version:**
  * 6.0.0-beta.15
* **Operating System:**
  * Windows 10 64bit
* **Last Known Working Electron version:**
  * 5.0.8

### Expected Behavior
The window restores its size to what it used to be

### Actual Behavior
The window is shown in the smallest size

### To Reproduce
1) Maximize Window
2) Minimize Window
3) Restore Window (click on the icon in the taskbar)
4) Unmaximize Window

### Screenshots
![grafik](https://user-images.githubusercontent.com/10595986/61781949-84f18100-ae05-11e9-8983-17edb536427f.png)


shell/browser/native_window_views_win.cc
case APPCOMMAND_CORRECTION_LIST:
      return "correction-list";
    case APPCOMMAND_MEDIA_PLAY:
      return "media-play";
    case APPCOMMAND_MEDIA_PAUSE:
      return "media-pause";
    case APPCOMMAND_MEDIA_RECORD:
      return "media-record";
    case APPCOMMAND_MEDIA_FAST_FORWARD:
      return "media-fast-forward";
    case APPCOMMAND_MEDIA_REWIND:
      return "media-rewind";
    case APPCOMMAND_MEDIA_CHANNEL_UP:
      return "media-channel-up";
    case APPCOMMAND_MEDIA_CHANNEL_DOWN:
      return "media-channel-down";
    case APPCOMMAND_DELETE:
      return "delete";
    case APPCOMMAND_DICTATE_OR_COMMAND_CONTROL_TOGGLE:
      return "dictate-or-command-control-toggle";
    default:
      return "unknown";
  }
}
bool IsScreenReaderActive() {
  UINT screenReader = 0;
  SystemParametersInfo(SPI_GETSCREENREADER, 0, &screenReader, 0);
  return screenReader && UiaClientsAreListening();
}
enum AppbarAutohideEdge {