Clean Backport.This pull request contains a backport of commit [935c7b79](https://github.com/openjdk/jfx/commit/935c7b797d79407d741735324313684617d1292d) from the [openjdk/jfx](https://git.openjdk.org/jfx) repository.
------------- Commit messages: - Backport 935c7b797d79407d741735324313684617d1292d Changes: https://git.openjdk.org/jfx20u/pull/13/files Webrev: https://webrevs.openjdk.org/?repo=jfx20u&pr=13&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8301009 Stats: 6301 lines in 80 files changed: 1128 ins; 4562 del; 611 mod Patch: https://git.openjdk.org/jfx20u/pull/13.diff Fetch: git fetch https://git.openjdk.org/jfx20u.git pull/13/head:pull/13 PR: https://git.openjdk.org/jfx20u/pull/13
