refactor: simplify state of fs store entry #491

Job	Run time
Cross Build Only (x86_64-unknown-freebsd)	49s
Android Build Only (aarch64-linux-android)	1m 10s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	1s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	1s
CI Test Suite / Tests (ubuntu-latest, stable, all)	1m 22s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	1m 35s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	1s
Cross Test (i686-unknown-linux-gnu)	1m 26s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	1m 38s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	1m 27s
Android Build Only (armv7-linux-androideabi)	1m 26s
codespell	5s
CI Test Suite / Tests (ubuntu-latest, stable, none)	29s
Minimal Supported Rust Version	1m 6s
Checking docs	53s
Checking fmt	20s
clippy_check	1m 29s
cargo deny	27s
check_semver	1m 22s
	17m 8s

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