git: openjdk/jfx: master: 8246202: ChoiceBoxSkin: misbehavior on switching skin, part 2

[Jeanette Winzenburg]

Changeset: e856a58f
Author:    Jeanette Winzenburg <fastegal at openjdk.org>
Date:      2020-10-15 08:43:39 +0000
URL:       https://git.openjdk.java.net/jfx/commit/e856a58f

8246202: ChoiceBoxSkin: misbehavior on switching skin, part 2

Reviewed-by: kcr, aghaisas

! modules/javafx.controls/src/main/java/javafx/scene/control/skin/ChoiceBoxSkin.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/skin/SkinCleanupTest.java