RFR: 8375567: Remove AppContext usage from Swing Motif L&F classes [v3]

[Sergey Bylokhov]

On Mon, 26 Jan 2026 21:19:36 GMT, Phil Race <prr at openjdk.org> wrote:

>> Remove AppContext from the Swing Motif L&F implementation.
>
> Phil Race has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8375567

Marked as reviewed by serb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/29282#pullrequestreview-3708202141