RFR: 8339879: Open some dialog swing tests

[Alisen Chung]

First set of dialog swing tests to open during fall 2024 test sprint

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Commit messages:
 - library path change
 - moving tests to open

Changes: https://git.openjdk.org/jdk/pull/21196/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21196&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339879
  Stats: 572 lines in 4 files changed: 572 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21196.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21196/head:pull/21196

PR: https://git.openjdk.org/jdk/pull/21196