RFR: 8298728: Cells in VirtualFlow jump after resizing

[Johan Vos]

On Wed, 14 Dec 2022 20:54:26 GMT, Andy Goryachev <angorya at openjdk.org> wrote:

> I am trying to understand what the behavioral difference is between this branch and the current master. 

I added a new test in VirtualFlowTest. It fails without the patch, and succeeds with the patch. The change is that if a cell is shown with some given content, then a cell is resized, and then a scroll operation is performed, the result of this scroll could be unexpected. I added comments in the added test so that the flow should be clear. Does this help?

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PR: https://git.openjdk.org/jfx/pull/974