Ignore dangling symlinks when restoring backup

[emontnemery]

Proposed change

Ignore dangling symlinks when restoring backup, we should not fail the restore process because of this.

As an alternative, we could capture the error and log a warning message instead so the user can clean up the symlink

Type of change

• Dependency upgrade
• Bugfix (non-breaking change which fixes an issue)
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• New feature (which adds functionality to an existing integration)
• Deprecation (breaking change to happen in the future)
• Breaking change (fix/feature causing existing functionality to break)
• Code quality improvements to existing code or addition of tests

Additional information

• This PR fixes or closes issue: fixes #
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