[TreeTableView] incorrect behavior on expansion, when ctrl+A has been done.

See an attached movie.

I selected some item and pressed Ctrl+A.

After that I expanded some item in the middle.

You can see, that selection was incorrectly preserved continuous, and the last items lost selection.

Affected tests:
ControlsAutomatedTestSuite/javafx/scene/control/test/treetable/TreeTableAsTreeTest/selectionCorrectnessOnExpandingCtrlATest