RFR: 8340344: The first item in TreeView is not aligned in the beginning [v5]

[Andy Goryachev]

On Wed, 14 May 2025 16:40:36 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

>>> In that case the TreeCells are layout while the scroll is in progress.
>> 
>> does this create any visual artifacts?
>
>> does this create any visual artifacts?
> 
> No artifacts, just that one can notice the re-layout and the TreeCell shift to right.

this is the expected behavior though, right?

what we **don't** want is the flicker - when the re-layout is needed but happens in another pulse.  When e.g. scrollbars need to appear/disappear it may even lead to flicker that does not end.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1715#discussion_r2089414343