[jfx11u] RFR: 8210199: [linux / macOS] fileChooser can't handle emojis

[Johan Vos]

Reviewed-by: pbansal, kcr

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Commit messages:
 - 8210199: [linux / macOS] fileChooser can't handle emojis

Changes: https://git.openjdk.java.net/jfx11u/pull/24/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=24&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8210199
  Stats: 15 lines in 2 files changed: 12 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jfx11u/pull/24.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/24/head:pull/24

PR: https://git.openjdk.java.net/jfx11u/pull/24