RFR: 8371386: Fix potential NPE in SwingNode [v2]

[Andy Goryachev]

On Fri, 7 Nov 2025 03:11:39 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

>> There can be potential NPEs in SwingNode which is fixed
>
> Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comment

thanks for making the changes!

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Marked as reviewed by angorya (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1965#pullrequestreview-3434632369