[jdk21u-dev] RFR: 8348936: [Accessibility, macOS, VoiceOver] VoiceOver doesn't announce untick on toggling the checkbox with "space" key on macOS

[Goetz Lindenmaier]

I backport this for parity with 21.0.8-oracle.

-------------

Commit messages:
 - Backport 1e87ff01994df16df7de331040fc5d7a4a85f630

Changes: https://git.openjdk.org/jdk21u-dev/pull/1450/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1450&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8348936
  Stats: 133 lines in 2 files changed: 130 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1450.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1450/head:pull/1450

PR: https://git.openjdk.org/jdk21u-dev/pull/1450