[Rev 03] RFR: 8232811: Dialog's preferred size no longer accommodates multi-line strings

[Thiago Milczarek Sayao]

> https://bugs.openjdk.java.net/browse/JDK-8232811
> 
> This one was hard to tackle.
> 
> ./gradlew -PFULL_TEST=true -PUSE_ROBOT=true :systemTests:test --tests test.robot.javafx.scene.dialog.DialogWithOwnerSizingTest

The pull request has been updated with 2 additional commits.

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Added commits:
 - 1d40aa9f: Merge remote-tracking branch 'origin/fix_jdk_8232811' into fix_jdk_8232811
 - f97833db: Did requested changes.

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/63/files
  - new: https://git.openjdk.java.net/jfx/pull/63/files/7b723c3b..1d40aa9f

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/63/webrev.03
 - incr: https://webrevs.openjdk.java.net/jfx/63/webrev.02-03

  Stats: 19 lines in 2 files changed: 8 ins; 9 del; 2 mod
  Patch: https://git.openjdk.java.net/jfx/pull/63.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/63/head:pull/63

PR: https://git.openjdk.java.net/jfx/pull/63