RFR: 8316372: Monkey Tester Application Part 3 [v4]

[Andy Goryachev]

> Further changes to the MonkeyTester application:
> 
> - remember split pane divider ✔
> - use 'private' instead of 'protected' in many cases ✔
> - added more scripts to the 'writing systems' text sample ✔
> - added RTL window control menu ✔
> - added embedded swing/fx in tools ✔
> - added copy popup menu in clipboard viewer ✔
> - added the custom css field to the css playground tool ✔
> - added many new pages ✔
> - split XYChartPage into separate pages ✔
> - switched to use property sheets (some choices might be incomplete) ✔
> 
> https://github.com/andy-goryachev-oracle/jfx/blob/8316372.monkey/tests/manual/monkey/README.md
> 
> These are all the changes I could make in this test sprint, other improvements will go to the follow-up ticket https://bugs.openjdk.org/browse/JDK-8328828

Andy Goryachev has updated the pull request incrementally with one additional commit since the last revision:

  cleanup

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

Changes:
  - all: https://git.openjdk.org/jfx/pull/1406/files
  - new: https://git.openjdk.org/jfx/pull/1406/files/c472fd0c..4109791e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1406&range=03
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1406&range=02-03

  Stats: 3 lines in 2 files changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jfx/pull/1406.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1406/head:pull/1406

PR: https://git.openjdk.org/jfx/pull/1406