Clean backport to `jfx17u`. -------------
Commit messages: - 8088420: JavaFX WebView memory leak via EventListener Changes: https://git.openjdk.org/jfx17u/pull/73/files Webrev: https://webrevs.openjdk.org/?repo=jfx17u&pr=73&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8088420 Stats: 1509 lines in 11 files changed: 1503 ins; 3 del; 3 mod Patch: https://git.openjdk.org/jfx17u/pull/73.diff Fetch: git fetch https://git.openjdk.org/jfx17u pull/73/head:pull/73 PR: https://git.openjdk.org/jfx17u/pull/73
