Revert 66 .expect("TODO: handle error") sites in commands.rs (batch 6/N) #38

Job	Run time
Build documentation	33s
Lint (clippy + rustfmt)	37s
Test MSRV (1.70.0)	14s
Build release artifacts (windows-latest, x86_64-pc-windows-msvc, vsh-windows-x64.exe)	1m 48s
Cross-compile (x86_64-pc-windows-gnu)	2m 7s
Test Features (--features lean-runtime-checks)	15s
Build release artifacts (ubuntu-latest, x86_64-unknown-linux-gnu, vsh-linux-x64)	1m 55s
Build release artifacts (macos-latest, x86_64-apple-darwin, vsh-macos-x64)	1m 37s
Cross-compile (aarch64-apple-darwin)	57s
Cross-compile (aarch64-unknown-linux-gnu)	1m 55s
Cross-compile (x86_64-unknown-linux-musl)	1m 51s
Test Features (--all-features)	1m 24s
Cross-compile (x86_64-apple-darwin)	1m 1s
Test Features (--no-default-features)	1m 17s
Test (nightly on macos-latest)	2m 8s
Test (beta on windows-latest)	1m 34s
Test (nightly on ubuntu-latest)	3h 40m 15s
Test (nightly on windows-latest)	1m 26s
Test (stable on windows-latest)	1m 38s
Test (beta on macos-latest)	2m 34s
Test (stable on ubuntu-latest)	3h 43m 4s
Test (stable on macos-latest)	2m 25s
Test (beta on ubuntu-latest)	4h 5m 44s
	11h 58m 19s

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