RFR: 8341790: Fix ExceptionOccurred in java.desktop

[Laurent Bourgès]

Use ExceptionCheck instead
Removed dead code

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Commit messages:
 - JDK-8341790: Fix ExceptionOccurred in java.desktop
 - JDK-8341790: Fix ExceptionOccurred in java.desktop

Changes: https://git.openjdk.org/jdk/pull/21981/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21981&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8341790
  Stats: 96 lines in 27 files changed: 0 ins; 20 del; 76 mod
  Patch: https://git.openjdk.org/jdk/pull/21981.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21981/head:pull/21981

PR: https://git.openjdk.org/jdk/pull/21981