RFR: 8337400: [Linux] Initial window position is not centered on Ubuntu 24.04 / Xorg

[Lukasz Kostyra]

On Mon, 29 Jul 2024 17:46:52 GMT, Thiago Milczarek Sayao <tsayao at openjdk.org> wrote:

> On Ubuntu 24.04 with Xorg windows are not shown centered.
> 
> This is due a configure event being received with position 0,0 which is wrong.
> 
> The fix ignores the configure events until the window is mapped.

LGTM, fixes the problem on Ubuntu 24.04. Noticed no regressions otherwise.

I did see some new test failures on 24.04, but these don't go away after this patch. Must be some different reason for them.

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Marked as reviewed by lkostyra (Committer).

PR Review: https://git.openjdk.org/jfx/pull/1520#pullrequestreview-2226961754