refactor: simplify state of fs store entry #482

Job	Run time
Cross Build Only (x86_64-unknown-freebsd)	50s
Android Build Only (aarch64-linux-android)	1m 10s
Android Build Only (armv7-linux-androideabi)	1m 12s
check_semver	1m 14s
Checking docs	56s
Checking fmt	25s
clippy_check	1m 28s
Minimal Supported Rust Version	1m 3s
Cross Test (i686-unknown-linux-gnu)	1m 45s
codespell	5s
cargo deny	25s
CI Test Suite / Tests (ubuntu-latest, stable, none)	1m 34s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 3s
CI Test Suite / Tests (ubuntu-latest, stable, all)	1m 33s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 2s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 1s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1m 35s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	1m 39s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	1m 36s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	1m 38s
	26m 14s

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