Fix an issue in `SortedList` where the sorting became incorrect when adding new items that are equal to existing items according to the comparator. The `SortedList` should consider the insertion index of these items to maintain the correct order.
------------- Commit messages: - Merge branch 'master' into SortedList - Merge branch 'master' into SortedList - Add test case - Fix SortedList to maintain insertion order for equal elements Changes: https://git.openjdk.org/jfx/pull/1519/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1519&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8301761 Stats: 37 lines in 2 files changed: 28 ins; 4 del; 5 mod Patch: https://git.openjdk.org/jfx/pull/1519.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1519/head:pull/1519 PR: https://git.openjdk.org/jfx/pull/1519
