Add a check for previous focused window on modal unblocking. If the owner of a closing dialog was the last focused window, then the owner of the dialog should regain focus.
------------- Commit messages: - update copyright years - init commit Changes: https://git.openjdk.org/jdk/pull/19588/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19588&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8185429 Stats: 8 lines in 2 files changed: 6 ins; 1 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/19588.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/19588/head:pull/19588 PR: https://git.openjdk.org/jdk/pull/19588
