RFR: 8306121: Scene not rendered initially when changing scenes after fix for JDK-8296621 [v5]

[Jose Pereda]

On Sat, 6 May 2023 21:01:31 GMT, Thiago Milczarek Sayao <tsayao at openjdk.org> wrote:

>> @tsayao thanks, and just for my understanding, do you intent to add WinIconified test to this PR, as system or manual test?
>
> `SceneChangeShouldNotFocusStageTest` covers the test that the window should start iconified. It does not cover the test where the window pops and then iconifies (causing a visual "weirdness"). I don't think the later is possible on a systemTest.

If not as system test, then could you add `WinIconified` as manual test, with some javadoc as quick instructions on how to check that it works as expected?

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PR Review Comment: https://git.openjdk.org/jfx/pull/1110#discussion_r1187582264