[jdk21u-dev] RFR: 8328386: Convert java/awt/FileDialog/FileNameOverrideTest test to main

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle

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Commit messages:
 - Backport e5e7cd20eca0e5a5f0811d304a9659961dcf11c0

Changes: https://git.openjdk.org/jdk21u-dev/pull/2056/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2056&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8328386
  Stats: 246 lines in 3 files changed: 105 ins; 141 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2056.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2056/head:pull/2056

PR: https://git.openjdk.org/jdk21u-dev/pull/2056