RFR: 8361379: [macos] Refactor accessibility code to retrieve attribute by name [v3]

[Ambarish Rapte]

On Wed, 9 Jul 2025 05:01:14 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

>> - Copyright year update;
>> - Introduce new function requestNodeAttribute and refactor code to use it;
>> - Fix some typos;
>> - Enable new code to handle TabPages since TabGroup was implemented;
>
> Alexander Zuev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove explicit jresult declaration

LGTM

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Marked as reviewed by arapte (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1840#pullrequestreview-3025865584