[jfx17u] RFR: 8299968: Second call to Stage.setScene() create sizing issue with uiScale > 1.0 [v2]

[Jose Pereda]

> Clean backport of 8299968: Second call to Stage.setScene() create sizing issue with uiScale > 1.0
> 
> Reviewed-by: kcr, arapte

Jose Pereda has updated the pull request incrementally with one additional commit since the last revision:

  Apply required changes from JDK-8206430

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

Changes:
  - all: https://git.openjdk.org/jfx17u/pull/171/files
  - new: https://git.openjdk.org/jfx17u/pull/171/files/4e9a6552..398e4731

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx17u&pr=171&range=01
 - incr: https://webrevs.openjdk.org/?repo=jfx17u&pr=171&range=00-01

  Stats: 105 lines in 1 file changed: 102 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jfx17u/pull/171.diff
  Fetch: git fetch https://git.openjdk.org/jfx17u.git pull/171/head:pull/171

PR: https://git.openjdk.org/jfx17u/pull/171