git: openjdk/jfx17u: master: 8244234: MenuButton: NPE on removing from scene with open popup

[Johan Vos]

Changeset: f84dac29
Author:    Johan Vos <jvos at openjdk.org>
Date:      2022-06-29 19:34:38 +0000
URL:       https://git.openjdk.org/jfx17u/commit/f84dac2978bc6e1121e8200c3ab19b4832f466cf

8244234: MenuButton: NPE on removing from scene with open popup

Backport-of: 6e215263e6fe94099528d386ccda65b22bce3138

! modules/javafx.controls/src/main/java/javafx/scene/control/skin/MenuButtonSkinBase.java
+ modules/javafx.controls/src/test/java/test/javafx/scene/control/skin/MenuButtonSkinBaseTest.java