[jdk17u-dev] RFR: 8365615: Improve JMenuBar/RightLeftOrientation.java

[Goetz Lindenmaier]

I backport this for parity with 17.0.18-oracle

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Commit messages:
 - Backport afa8e79ba1a76066cf969cb3b5f76ea804780872

Changes: https://git.openjdk.org/jdk17u-dev/pull/4064/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=4064&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8365615
  Stats: 56 lines in 1 file changed: 17 ins; 10 del; 29 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/4064.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/4064/head:pull/4064

PR: https://git.openjdk.org/jdk17u-dev/pull/4064