RFR: 8350048: Enforce threading restrictions for show and hide methods in Window, Control, and Skin [v5]

[Andy Goryachev]

On Fri, 7 Mar 2025 15:38:39 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> good idea, even though it does not affect generated javadoc.
>> will do next time, to avoid re-setting the approvals ;-)
>
>> will do next time, to avoid re-setting the approvals ;-)
> 
> I'll re-approve if you decide to do the changes anyway.

it is not required, and the code is inconsistent (Stage:472) ... but ok.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1717#discussion_r1985289103