RFR: 8329086: Clean up java.desktop native compilation [v3]

[Magnus Ihse Bursie]

On Wed, 27 Mar 2024 10:39:35 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> This is a follow-up on [JDK-8328680](https://bugs.openjdk.org/browse/JDK-8328680), making the same kind of cleanup to java.desktop. Some code needed more special treatment here, so there is some additional effects outside of the modules/java.desktop directory. The code was also in worse shape than other modules, so some additional changes to the build logic where needed.
>
> Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Correct typo "do" -> "does"

For the record: I have run the client testing that @prrace recommended me (in an offline conversation), and there are no failures.

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PR Comment: https://git.openjdk.org/jdk/pull/18486#issuecomment-2022743374