RFR: 8327753: Convert javax/swing/JOptionPane/8024926/bug8024926.java applet to main

[Prasanta Sadhukhan]

Conversion of manual applet test to main based using PassFailJFrame manual framework

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Commit messages:
 - fix
 - 8327753: Convert javax/swing/JOptionPane/8024926/bug8024926.java applet to main

Changes: https://git.openjdk.org/jdk/pull/18232/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18232&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327753
  Stats: 213 lines in 2 files changed: 5 ins; 178 del; 30 mod
  Patch: https://git.openjdk.org/jdk/pull/18232.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18232/head:pull/18232

PR: https://git.openjdk.org/jdk/pull/18232