RFR: 8292353: TableRow vs. TreeTableRow: inconsistent visuals in cell selection mode [v12]

[Andy Goryachev]

On Tue, 20 Sep 2022 19:06:19 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

>> The issue is caused by TreeTableRow incorrectly selected when cell selection mode is enabled.
>> 
>> Changes:
>> - modified TreeTableRow.updateSelection()
>
> Andy Goryachev has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8292353: review comments

I give up - removing TreeAndTableViewTest.

Thank you @kevinrushforth for insights and suggestions!

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PR: https://git.openjdk.org/jfx/pull/875