RFR: 8317836: FX nodes embedded in JFXPanel need to track component orientation

[Prasanta Sadhukhan]

FX Nodes embedded in a Swing JFXPanel does not track the component orientation and FX nodes remain unaffected when component orientation changes.
Fix made sure JavaFX scene embedded in a JFXPanel should inherit the value from the JFXPanel.

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Commit messages:
 - 8317836: FX nodes embedded in JFXPanel need to track component orientation

Changes: https://git.openjdk.org/jfx/pull/1271/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1271&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8317836
  Stats: 10 lines in 1 file changed: 10 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jfx/pull/1271.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1271/head:pull/1271

PR: https://git.openjdk.org/jfx/pull/1271