Fix bug in smaps parsing logic related to pathnames containing whites… #4081

Job	Run time
cargo-deny	32s
Integration Tests	3m 31s
Rust Actions (Check/Fmt/Clippy) (ubuntu-latest)	1m 32s
Test Suite	35m 19s
Rust Actions (Check/Fmt/Clippy) (macos-latest)	1m 6s
actionlint	6s
action-sha-pin-check	40s
buf	8s
Kani Proofs (lading_throttle)	1m 1s
Loom Proofs (lading_signal)	5m 35s
Kani Proofs (lading_payload)	1m 13s
	50m 43s

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