RFR: 8368972: Create implementation of menu bar accessibility component [v4]

[Andy Goryachev]

On Wed, 8 Oct 2025 20:46:12 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

>> Create the accessibility peer for menu bar component also fix the problem when with the voiceover is on the <Ctrl>-F10 is pressed the name of the selected menu is not announced.
>
> Alexander Zuev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Cover the case when menu item has children but it does not respond to the accessibilityValue selector;

Could you also sync up with the master branch please?

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PR Comment: https://git.openjdk.org/jfx/pull/1927#issuecomment-3387579445