RFR: 8373908: XYChart (ScatteredChart) leaks memory when removing data [v2]

[Kevin Rushforth]

On Thu, 18 Dec 2025 17:30:29 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

>> John Hendrikx has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
>> 
>>   Fix memory leak
>
> FYI: don't see this issue with the PieChart
> https://github.com/andy-goryachev-oracle/Test/blob/main/src/goryachev/bugs/PieChart_OOM_8373909.java

Reviewers: @andy-goryachev-oracle @arapte

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PR Comment: https://git.openjdk.org/jfx/pull/2013#issuecomment-3672263608