Fixing a bug that breaks proper serialization of character attributes. This, unfortunately, makes a breaking change in the RichTextArea native format [0].
## References [0] https://github.com/andy-goryachev-oracle/Test/blob/main/doc/RichTextArea/RichTextArea_DataFormat_V2.md ------------- Commit messages: - javadoc - Merge remote-tracking branch 'origin/master' into 8357393.attr.ser - test - tests - fixed attribute serialization Changes: https://git.openjdk.org/jfx/pull/1813/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1813&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8357393 Stats: 188 lines in 6 files changed: 96 ins; 41 del; 51 mod Patch: https://git.openjdk.org/jfx/pull/1813.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1813/head:pull/1813 PR: https://git.openjdk.org/jfx/pull/1813
