RFR: 8317836: FX nodes embedded in JFXPanel need to track component orientation [v9]

[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:

  Treat UNKNOWN as LTR

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1271/files
  - new: https://git.openjdk.org/jfx/pull/1271/files/98a22edd..3b7be5d9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1271&range=08
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1271&range=07-08

  Stats: 2 lines in 1 file changed: 2 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