[jdk17u-dev] RFR: 8327972: Convert java/awt/FileDialog/SaveFileNameOverrideTest/SaveFileNameOverrideTest.html applet test to main

[Goetz Lindenmaier]

I backport this for parity with 17.0.17-oracle.

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Commit messages:
 - Backport 7283c8b075aa289dbb9cb80f6937b3349c8d4769

Changes: https://git.openjdk.org/jdk17u-dev/pull/3778/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3778&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327972
  Stats: 225 lines in 3 files changed: 91 ins; 134 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3778.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3778/head:pull/3778

PR: https://git.openjdk.org/jdk17u-dev/pull/3778