Handle files correctly in LS #7920

Job	Run time
rustfmt	15s
lint-build	1m 19s
test-wasm	1m 15s
test (stable, x86_64-unknown-linux-gnu)	3m 45s
validate	20s
test (stable, x86_64-unknown-linux-musl)	6m 37s
test (stable, aarch64-unknown-linux-gnu)	1m 59s
test (stable, aarch64-unknown-linux-musl)	2m 36s
test (stable, x86_64-apple-darwin)	9m 6s
test (stable, x86_64-pc-windows-msvc)	5m 21s
test (stable, aarch64-apple-darwin, macos-latest, false, true)	4m 25s
test-projects	1m 38s
	38m 36s

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