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

[Ambarish Rapte]

On Wed, 3 Jun 2020 12:03:43 GMT, Jeanette Winzenburg <fastegal at openjdk.org> wrote:

> The other selectionModels for virtualized controls try to keep the selectedItem/Index only.

Keeping the selection after sort/permutation seems more correct from a user's perspective. I did not look into how
other controls handle this. Looking at your observation seems like we need to fix this in other controls too,
preferably each control in a separate issue :)

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