Found during writing the API tests: - setUseContentHeight/Width (true -> on) - remove unnecessary non-nullable limitation for caretBlinkProperty
------------- Commit messages: - 8347715: RichTextArea Follow-up: Minor Bugs Changes: https://git.openjdk.org/jfx/pull/1676/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1676&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8347715 Stats: 24 lines in 2 files changed: 3 ins; 12 del; 9 mod Patch: https://git.openjdk.org/jfx/pull/1676.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1676/head:pull/1676 PR: https://git.openjdk.org/jfx/pull/1676