RFR: 8350316: Create implementation of NSAccessibilityProgressIndicator protocol [v2]

[Alexander Zuev]

On Wed, 7 May 2025 15:43:18 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> so the group protocol is **not** needed for the progress bar/indicator?

What? It is required see the definition for the interface:
`@interface JFXProgressIndicatorAccessibility :
        JFXGroupAccessibility<NSAccessibilityProgressIndicator>`

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PR Comment: https://git.openjdk.org/jfx/pull/1796#issuecomment-2860488987