RFR: 8373098: RichTextArea: NPE in InputMethodRequests

[Andy Goryachev]

On Thu, 4 Dec 2025 17:12:18 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> Fixes an NPE discovered while working on https://github.com/openjdk/jfx/pull/1975
> 
> To reproduce, run RichTextAreaDemoApp with a "2,000,000,000 Lines" model and try scrolling with the mouse wheel rapidly up and down.

@lukostyra may I ask you to review this please?

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PR Comment: https://git.openjdk.org/jfx/pull/1997#issuecomment-3613709943