git: openjdk/jfx11u: master: 8263807: Button types of a DialogPane are set twice, returns a wrong button

[Kevin Rushforth]

Changeset: acab9b3e
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2021-11-05 15:14:32 +0000
URL:       https://git.openjdk.java.net/jfx11u/commit/acab9b3e11405202e5b0437aee5027ae1933bd44

8263807: Button types of a DialogPane are set twice, returns a wrong button

Backport-of: 28475cb287b7af0223fb60df4134530d48441f10

! modules/javafx.controls/src/main/java/javafx/scene/control/DialogPane.java
! modules/javafx.controls/src/test/java/test/javafx/scene/control/DialogPaneTest.java