git: openjdk/jfx17u: master: 8273138: BidirectionalBinding fails to observe changes of invalid properties

[Kevin Rushforth]

Changeset: ff4a6259
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2021-09-15 20:55:28 +0000
URL:       https://git.openjdk.java.net/jfx17u/commit/ff4a6259a877d2cac67b8833c7d297c887bd1fbc

8273138: BidirectionalBinding fails to observe changes of invalid properties

Backport-of: 26d6438ea267d703039facac7dab67175b863b46

! modules/javafx.base/src/main/java/com/sun/javafx/binding/BidirectionalBinding.java
! modules/javafx.base/src/test/java/test/com/sun/javafx/binding/BidirectionalBindingTest.java