[jdk17u-dev] RFR: 8322754: click JComboBox when dialog about to close causes IllegalComponentStateException

[Goetz Lindenmaier]

I'd like to fix this in 17.

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Commit messages:
 - Backport e44276989fc6358065412be7567d0141c84f1282

Changes: https://git.openjdk.org/jdk17u-dev/pull/3004/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3004&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8322754
  Stats: 94 lines in 2 files changed: 92 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3004.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3004/head:pull/3004

PR: https://git.openjdk.org/jdk17u-dev/pull/3004