Fixes an issue found by an external user: Undoing a style only change fires a change event where `ContentChange.isEdit` is true when it should be false.
NOTE - this PR depends on #1941 (resolved) ------------- Commit messages: - Merge branch 'master' into 8371183.is.edit - Merge branch 'master' into 8371183.is.edit - javadoc - Merge remote-tracking branch 'origin/8366201.allow.undo' into 8371183.is.edit - javadoc - is edit - Merge remote-tracking branch 'origin/8366201.allow.undo' into 8371183.is.edit - suggestion - set text - Merge branch 'master' into 8366201.allow.undo - ... and 16 more: https://git.openjdk.org/jfx/compare/f8bef157...49c78747 Changes: https://git.openjdk.org/jfx/pull/1961/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1961&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8371183 Stats: 63 lines in 5 files changed: 46 ins; 0 del; 17 mod Patch: https://git.openjdk.org/jfx/pull/1961.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1961/head:pull/1961 PR: https://git.openjdk.org/jfx/pull/1961
