RFR: 8367772: Refactor createUI in PassFailJFrame

[Alexey Ivanov]

On Tue, 16 Sep 2025 19:23:06 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

> Code review https://git.openjdk.org/jdk/pull/27197 for [JDK-8367348](https://bugs.openjdk.org/browse/JDK-8367348) made me think how to avoid adding more parameters to methods, in particular `createInstructionUIPanel`. The `Builder` object captures all the required configuration data, it is the `Builder` object that should be used to pass the configuration.
> 
> This changeset refactors UI creation in `PassFailJFrame`.
> 
> * The remaining constructor that accepts positional parameters now creates a builder to pass the configuration data.
> * The `createInstructionUIPanel` method now accepts `Builder` instead of a set of parameters from it.
> * The `createUI` method with positional parameters has become redundant and is removed. Code duplication between two versions of `createUI` is now eliminated.
> 
> There are no functional differences. I verified it by launching a few tests which use `PassFailJFrame` constructors and builder.

Any volunteers?

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PR Comment: https://git.openjdk.org/jdk/pull/27321#issuecomment-3348788847