The original code used String attribute keys. I'd like to backport this fix to jfx24u.
------------- Commit messages: - fix Changes: https://git.openjdk.org/jfx/pull/1731/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1731&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8351368 Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jfx/pull/1731.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1731/head:pull/1731 PR: https://git.openjdk.org/jfx/pull/1731
