[jdk21u-dev] RFR: 8327752: Convert javax/swing/JOptionPane/4174551/bug4174551.java applet to main

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle

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Commit messages:
 - Backport 7858138ad212bb4dec0b30e7235b72fe74cdb960

Changes: https://git.openjdk.org/jdk21u-dev/pull/1889/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1889&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327752
  Stats: 166 lines in 3 files changed: 78 ins; 88 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1889.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1889/head:pull/1889

PR: https://git.openjdk.org/jdk21u-dev/pull/1889