RFR: 8285700: [TreeTableView] graphic property of TreeItem is still visible after collapsing tree [v2]

[Andy Goryachev]

On Fri, 14 Jul 2023 12:31:49 GMT, Karthik P K <kpk at openjdk.org> wrote:

>> In `TreeTableRowSkin`, graphic was not updated along with tree item update.
>> 
>> Made changes to update graphics of TreeTableView row in `updateTreeItem()` method.
>> 
>> Added options in monkey tester to add graphics and subnodes to `TreeTableView` rows.
>
> Karthik P K has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add unit test

github says it fails pre-submit check - probably some kind of spurious failure, local build and headful tests (minus web tests) are ok on macOS.

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PR Comment: https://git.openjdk.org/jfx/pull/1172#issuecomment-1636106227