fix(core_messages.sh): use the proper variable to identify script source for logged events

[codingWithJimmy]

Update to allow script action name to appear in log correctly.

Description

After digging into this issue, I found that "core_messages.sh" was using the incorrect variable for identifying which script was producing output in the script log.

Fixes #2797

Type of change

• Small code update to correct the variable in core_messages.sh

Checklist

PR will not be merged until all steps are complete.

• This pull request links to an issue.
• This pull request uses the develop branch as its base.
• This pull request Subject follows the Conventional Commits standard.
• This code follows the style guidelines of this project.
• I have performed a self-review of my own code.
• I have checked that this code is commented where required.
• I have provided a detailed enough description of this PR.
• I have checked If documentation needs updating.

Documentation

If documentation does need updating either update it by creating a PR (preferred) or request a documentation update.

• User docs: https://github.com/GameServerManagers/LinuxGSM-Docs
• Dev docs: https://github.com/GameServerManagers/LinuxGSM-Dev-Docs

Thank you for your Pull Request!

[pull-assistant]

Best reviewed: commit by commit

---

Optimal code review plan

     Update core_messages.sh

     Revert "Update core_messages.sh"

     Revert "Revert "Update core_messages.sh""

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[codingWithJimmy]

Closing request to format correctly

[github-actions]

This pull request has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.