RFR: 8317836: FX nodes embedded in JFXPanel need to track component orientation [v4]

[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.

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  Code optimize

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1271/files
  - new: https://git.openjdk.org/jfx/pull/1271/files/d5a395c7..ad42e9d5

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1271&range=03
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1271&range=02-03

  Stats: 7 lines in 1 file changed: 4 ins; 0 del; 3 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