[jdk21u] RFR: 8338751: ConfigureNotify behavior has changed in KWin 6.2

[Vlad Zahorodnii]

This is needed to fix popups being placed incorrectly in applications running on Plasma 6.2.

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Commit messages:
 - 8338751: ConfigureNotify behavior has changed in KWin 6.2

Changes: https://git.openjdk.org/jdk21u/pull/457/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=457&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8338751
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u/pull/457.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/457/head:pull/457

PR: https://git.openjdk.org/jdk21u/pull/457