[jdk21u-dev] RFR: 8367348: Enhance PassFailJFrame to support links in HTML

[Goetz Lindenmaier]

I backport this for parity with 21.0.10-oracle

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Commit messages:
 - Backport 7a3025e3d7d33ed02db34c1485aa3c7b44b2d8ee

Changes: https://git.openjdk.org/jdk21u-dev/pull/2399/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2399&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8367348
  Stats: 23 lines in 1 file changed: 21 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2399.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2399/head:pull/2399

PR: https://git.openjdk.org/jdk21u-dev/pull/2399