Fix symlink_arrow test intercepting cli args

[tranzystorekk]

This test attempts to intercept the cli args, so it can cause a fail if any args are passed to the test binary, e.g. cargo test -- --skip <test_name>

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TODO

• Use cargo fmt
• Add necessary tests
• Add changelog entry
• Update default config/theme in README (if applicable)
• Update man page at lsd/doc/lsd.md (if applicable)