### Preflight Checklist
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* [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.
*I found one but it's been closed since 2017 athough updates are still happening on it either close this issue and reopen that or make this the new issue #9092* 

### Issue Details

* **Electron Version:**
  * v10.1.1
* **Operating System:**
  * Windows 10 18363
* **Last Known Working Electron version:**
  * unknown

### Expected Behavior
calling `isMaximized()` to respond if the window is maximized 

### Actual Behavior
`isMaximized()` always returns false when transparent is set to true on BrowserWindow

### To Reproduce
https://gist.github.com/293ffab750b019714f12d8e1f203e611


### Additional Information
#9092 is a closed issue with people still reporting this problems but since it's closed I don't think admins are looking hence creating this issue.

shell/browser/native_window_views_win.cc
return "microphone-volume-up";
    case APPCOMMAND_HELP:
      return "help";
    case APPCOMMAND_FIND:
      return "find";
    case APPCOMMAND_NEW:
      return "new";
    case APPCOMMAND_OPEN:
      return "open";
    case APPCOMMAND_CLOSE:
      return "close";
    case APPCOMMAND_SAVE:
      return "save";
    case APPCOMMAND_PRINT:
      return "print";
    case APPCOMMAND_UNDO:
      return "undo";
    case APPCOMMAND_REDO:
      return "redo";
    case APPCOMMAND_COPY:
      return "copy";
    case APPCOMMAND_CUT:
      return "cut";
    case APPCOMMAND_PASTE:
      return "paste";
    case APPCOMMAND_REPLY_TO_MAIL:
      return "reply-to-mail";
    case APPCOMMAND_FORWARD_MAIL:
      return "forward-mail";
    case APPCOMMAND_SEND_MAIL: