RFR: 8322799: Test JPKG003-013: ServiceTest fails because the user cannot uninstall the "servicetest" package on OEL 9.2 x64 and OEL 9.2 64-bit Arm (aarch64)

[Alexey Semenyuk]

Change the full path of a unit file passed to `systemctl enable` command to the unit file name. This prevents the command from creating a symlink in `/etc/systemd/system/` directory

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Commit messages:
 - empty
 - Merge branch 'master' into JDK-8322799
 - 8322799: Test JPKG003-013: ServiceTest fails because the user cannot uninstall the "servicetest" package on OEL 9.2 x64 and OEL 9.2 64-bit Arm (aarch64)
 - Make sure worker thread terminates before the main thread does.
 - 8294699: Launcher causes lingering busy cursor

Changes: https://git.openjdk.org/jdk/pull/17376/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17376&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8322799
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/17376.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17376/head:pull/17376

PR: https://git.openjdk.org/jdk/pull/17376