clean backport of 8284665: First selected item of a TreeItem multiple selection gets removed if new items are constantly added to the TreeTableView
Reviewed-by: aghaisas ------------- Commit messages: - 8284665: First selected item of a TreeItem multiple selection gets removed if new items are constantly added to the TreeTableView Changes: https://git.openjdk.org/jfx17u/pull/85/files Webrev: https://webrevs.openjdk.org/?repo=jfx17u&pr=85&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8284665 Stats: 101 lines in 4 files changed: 99 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jfx17u/pull/85.diff Fetch: git fetch https://git.openjdk.org/jfx17u pull/85/head:pull/85 PR: https://git.openjdk.org/jfx17u/pull/85
