RFR: 8307117: TextArea: wrapText property ignored when changing font [v2]

[Andy Goryachev]

> Requesting content layout when font changes.
> 
> This change makes the visual impact of [JDK-8314683](https://bugs.openjdk.org/browse/JDK-8314683) more visible, so perhaps both bugs should be fixed at the same time.

Andy Goryachev has updated the pull request incrementally with two additional commits since the last revision:

 - works
 - tests

-------------

Changes:
  - all: https://git.openjdk.org/jfx/pull/1217/files
  - new: https://git.openjdk.org/jfx/pull/1217/files/6051f8d9..f9daad79

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1217&range=01
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1217&range=00-01

  Stats: 163 lines in 3 files changed: 145 ins; 5 del; 13 mod
  Patch: https://git.openjdk.org/jfx/pull/1217.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1217/head:pull/1217

PR: https://git.openjdk.org/jfx/pull/1217