[jdk17u-dev] RFR: 8277240: java/awt/Graphics2D/ScaledTransform/ScaledTransform.java dialog does not get disposed

[Goetz Lindenmaier]

I backport this for parity with 17.0.15-oracle.

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

Commit messages:
 - Backport 52c0b09b62ca82f7e0cbe910cb92243131f06765

Changes: https://git.openjdk.org/jdk17u-dev/pull/3145/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3145&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8277240
  Stats: 82 lines in 1 file changed: 47 ins; 16 del; 19 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3145.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3145/head:pull/3145

PR: https://git.openjdk.org/jdk17u-dev/pull/3145