RFR: JDK-8305248: TableView not rendered correctly after column is made visible if fixed cell size is set [v2]

[Jose Pereda]

On Sat, 1 Apr 2023 10:02:26 GMT, Marius Hanl <mhanl at openjdk.org> wrote:

>> The determined `prefWidth` of a `TableCell` could be `0.0` when a `fixedCellSize` is set.
>> This happened because the `TableCell` may not have a skin since it was never added to the scene graph yet.
>> 
>> The fix is to make sure we get the `prefWidth` after the `TableCell` was added to the scene graph.
>> That is also the reason why the problem only happened the first time and never again after (skin is then already created).
>
> Marius Hanl has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - JDK-8305248: Added the tests also for TreeTableRow
>  - JDK-8305248: Improve comments

Looks good to me. The PR fixes the issue, a test fails before it and passes with it, and there are some more tests that, even without failing before this PR, are good to have to prevent future issues.

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Marked as reviewed by jpereda (Reviewer).

PR Review: https://git.openjdk.org/jfx/pull/1077#pullrequestreview-1368690352