Fixes a missing `null` check in `CodeArea.copy()` when the `syntaxHighlighter` property is set.
Also - made sure other callers check for null - removed dead code ------------- Commit messages: - copy Changes: https://git.openjdk.org/jfx/pull/1942/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1942&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8370253 Stats: 91 lines in 3 files changed: 70 ins; 18 del; 3 mod Patch: https://git.openjdk.org/jfx/pull/1942.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1942/head:pull/1942 PR: https://git.openjdk.org/jfx/pull/1942
