RFR: 8313424: JavaFX controls in the title bar (Preview) [v80]

[Andy Goryachev]

On Wed, 4 Jun 2025 14:48:31 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> Implementation of [`StageStyle.EXTENDED`](https://gist.github.com/mstr2/0befc541ee7297b6db2865cc5e4dbd09).
>
> Michael Strauß has updated the pull request incrementally with one additional commit since the last revision:
> 
>   enable preview feature system properties for tests

Same full screen issue for this configuration:

![Screenshot 2025-06-04 at 11 14 24](https://github.com/user-attachments/assets/ba746545-dff0-42f5-87ad-2156ff559098)

no full screen, and once the "My Stage" is closed the app is broken.

-------------

PR Comment: https://git.openjdk.org/jfx/pull/1605#issuecomment-2940953498