RFR: 8255947: [macos] Signed macOS jpackage app doesn't filter spurious '-psn' argument

[Alexander Matveev]

This is regression from JDK-8242302 and for some reason removing -psn argument code was removed during refactoring. Fixed be adding removing -psn argument back. Also, test was added to test this functionality.

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Commit messages:
 - 8255947: [macos] Signed macOS jpackage app doesn't filter spurious '-psn' argument

Changes: https://git.openjdk.java.net/jdk/pull/1154/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1154&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255947
  Stats: 113 lines in 5 files changed: 100 ins; 10 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1154.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1154/head:pull/1154

PR: https://git.openjdk.java.net/jdk/pull/1154