feat(installer): make first-run usable without PATH export #98

Job	Run time
build-linux-host-simd	5m 28s
build (aarch64-apple-darwin, macos-latest)	3m 11s
build (x86_64-unknown-linux-gnu, ubuntu-latest)	2m 21s
build (x86_64-apple-darwin, macos-latest)	3m 47s
build (aarch64-unknown-linux-gnu, ubuntu-latest)	4m 9s
release	1s
	18m 57s

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