[jdk17u-dev] RFR: 8042381: Test javax/swing/JRootPane/4670486/bug4670486.java fails with Action has not been received

[Goetz Lindenmaier]

I backport this for parity with 17.0.17-oracle.

Resolved ProblemList, probably clean.

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Commit messages:
 - backport 1b71621008a62a4f806e2e97579fb8716be290a5

Changes: https://git.openjdk.org/jdk17u-dev/pull/3748/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3748&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8042381
  Stats: 4 lines in 2 files changed: 2 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3748.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3748/head:pull/3748

PR: https://git.openjdk.org/jdk17u-dev/pull/3748