[Integrated] RFR: 8237469: CssStyleHelper reuse check fixed

[Kevin Rushforth]

Changeset: 6968e38d
Author:    Dean Wookey <dwookey at openjdk.org>
Committer: Kevin Rushforth <kcr at openjdk.org>
Date:      2020-02-06 13:16:16 +0000
URL:       https://git.openjdk.java.net/jfx/commit/6968e38d

8237469: Inherited styles don't update when node is moved

Reviewed-by: dgrieve, aghaisas, kcr

! modules/javafx.graphics/src/main/java/javafx/scene/CssStyleHelper.java
+ modules/javafx.graphics/src/test/java/test/javafx/scene/CssStyleHelperTest.java