RFR: 8307538: Memory leak in TreeTableView when calling refresh

[Andy Goryachev]

On Fri, 5 May 2023 21:55:48 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> Fixed a memory leak in TreeTableView by using WeakInvalidationListener (which is the right approach in this particular situation) - the leak is specific to TreeTableRowSkin.
> 
> Added a unit test.
> 
> Added Refresh buttons and Skin menu to the Monkey Tester (will expand these to other controls as a part next MT update).

will separate Monkey Tester changes into a separate PR.

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PR Comment: https://git.openjdk.org/jfx/pull/1129#issuecomment-1538777573