RFR: 8340852: ScrollPane should not consume navigation keys when it doesn't have direct focus

[Andy Goryachev]

On Wed, 2 Oct 2024 18:12:35 GMT, Martin Fox <mfox at openjdk.org> wrote:

> Focus either lies on the node that owns the ScrollPane (like a TableView) or one of the nodes inside the ScrollPane but not on the ScrollPane itself.

this seems to be incorrect: unless you set `mouseTransparent`, ScrollPane can be focused with a mouse click, even when `focusTraversable` is false.

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PR Comment: https://git.openjdk.org/jfx/pull/1582#issuecomment-2389591272