RFR: 8370134: Fix minor jpackage issues

[Alexander Matveev]

On Fri, 17 Oct 2025 19:27:16 GMT, Alexey Semenyuk <asemenyuk at openjdk.org> wrote:

> Fix minor jpackage issues.
> 
> - Remove debug output of the passed-in arguments.
> - Restore passing the default value of "--module-path" jlink option.
> - Restore the directory structure for building an app image for msi and exe packaging.

Looks good.

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Marked as reviewed by almatvee (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27876#pullrequestreview-3352436782