Fix method updating core result URL scan results

[akuny]

Fix the method updating a core result scan's URL scan results to set finalUrlTopLevelDomain to null if the primary scan fails.

[github-actions]

MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ CREDENTIALS	secretlint	yes		no	3.26s
✅ GIT	git_diff	yes		no	0.01s
✅ TYPESCRIPT	eslint	1	0	0	11.16s

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Set VALIDATE_ALL_CODEBASE: true in mega-linter.yml to validate all sources, not only the diff