[jfx21u] RFR: 8319669: [macos14] Running any JavaFX app prints Secure coding warning

[Kevin Rushforth]

Clean backport of critical macOS 14 fix to 21u.

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Commit messages:
 - Backport 986ec4f9b632f950111015be9445d0bae73042eb

Changes: https://git.openjdk.org/jfx21u/pull/28/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx21u&pr=28&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8319669
  Stats: 22 lines in 2 files changed: 20 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jfx21u/pull/28.diff
  Fetch: git fetch https://git.openjdk.org/jfx21u.git pull/28/head:pull/28

PR: https://git.openjdk.org/jfx21u/pull/28