[Rev 01] RFR: 8193800: TreeTableView selection changes on sorting

[Ambarish Rapte]

On Wed, 3 Jun 2020 13:45:12 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

> Update: I am testing with 7 level of nested rows, with 10, 9, 7, 6, 5, 4, 3 number of children in each level
> respectively. The fix works fine till level 3. But can observe issue with level 4 and further. Shall debug this more
> and update.

In the above case, The selection updates correctly but the received change event on SelectedItems after sort is
incorrect. As of now it looks like the selection is updated correctly with this fix, but the event generated from
sort() method is always incorrect. Looking in to fix the change event....

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PR: https://git.openjdk.java.net/jfx/pull/244