[jdk21u] RFR: 8316206: Test StretchedFontTest.java fails for Baekmuk font

[Alexey Ivanov]

Clean backport.

This pull request contains a backport of commit [00f585bd](https://github.com/openjdk/jdk/commit/00f585bd22f527eca0107a9b4ed366f25754f0be) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Alexey Ivanov on 22 Sep 2023 and was reviewed by Alexander Zvegintsev, Phil Race and Goetz Lindenmaier.

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Commit messages:
 - Backport 00f585bd22f527eca0107a9b4ed366f25754f0be

Changes: https://git.openjdk.org/jdk21u/pull/196/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=196&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316206
  Stats: 27 lines in 1 file changed: 25 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u/pull/196.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/196/head:pull/196

PR: https://git.openjdk.org/jdk21u/pull/196