[jdk23u] RFR: 8340308: PassFailJFrame: Make rows default to number of lines in instructions

[Alexey Ivanov]

Backporting 8340308: PassFailJFrame: Make rows default to number of lines in instructions

The patch applies cleanly.

> This pull request contains a backport of commit [d1d82400](https://github.com/openjdk/jdk/commit/d1d824008d1dc70029013820814fd03c40b4e309) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
>
> The commit being backported was authored by Alexey Ivanov on 19 Sep 2024 and was reviewed by Harshitha Onkar and Alexander Zvegintsev.

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Commit messages:
 - Backport d1d824008d1dc70029013820814fd03c40b4e309

Changes: https://git.openjdk.org/jdk23u/pull/113/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk23u&pr=113&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8340308
  Stats: 35 lines in 1 file changed: 34 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk23u/pull/113.diff
  Fetch: git fetch https://git.openjdk.org/jdk23u.git pull/113/head:pull/113

PR: https://git.openjdk.org/jdk23u/pull/113