RFR: 8375070: NPE in Scene.ClickGenerator::preProcess when mouse button is none [v4]

[Andy Goryachev]

On Tue, 13 Jan 2026 18:04:40 GMT, Christopher Schnick <crschnick at openjdk.org> wrote:

>> A straightforward fix to just include MouseButton.NONE in the click counter map in cases weird mouse button events are sent. Alternatively, these events could also be ignored/dropped at some point
>
> Christopher Schnick has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add test

Thank you for adding a test!

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Marked as reviewed by angorya (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/2034#pullrequestreview-3781102756