git: openjdk/jdk21u-dev: master: 8352905: Open some JComboBox bugs 1

[Satyen Subramaniam]

Changeset: dd269de3
Branch: master
Author:    Satyen Subramaniam <ssubramaniam at openjdk.org>
Date:      2025-11-05 18:35:07 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/dd269de3e77d42bfd9f424523ba400175ac6bfd4

8352905: Open some JComboBox bugs 1

Backport-of: a55ccd267cdfbb7a52c0647fa3b2f93b36b1805f

+ test/jdk/javax/swing/JComboBox/bug4166593.java
+ test/jdk/javax/swing/JComboBox/bug4180054.java
+ test/jdk/javax/swing/JComboBox/bug4530952.java
+ test/jdk/javax/swing/JComboBox/bug4530953.java