fix: resolve issue with lsTool listing fs root instead of current folder

[vbychkoviak]

Description

fixed issue with lsTool listing root folder instead of current folder. (Resolves #9188)

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Checklist

• I've read the contributing guide
• [] The relevant docs, if any, have been updated or created
• The relevant tests, if any, have been updated or created

Tests

• verified local build that it is behaving properly
• test cases were updated accordingly

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Summary by cubic

Fixed lsTool so it lists the current directory instead of the filesystem root when the path is undefined, empty, or ".". Updated resolveLsToolDirPath to return "." and adjusted tests accordingly.

^{Written for commit c078d77. Summary will update on new commits.}

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[cubic-dev-ai]

No issues found across 2 files

[vbychkoviak]

I have read the CLA Document and I hereby sign the CLA