refactor: simplify state of fs store entry #423

Job	Run time
check_semver	1m 39s
Cross Build Only (x86_64-unknown-freebsd)	51s
Cross Test (i686-unknown-linux-gnu)	1m 41s
Checking fmt	32s
Android Build Only (armv7-linux-androideabi)	1m 9s
CI Test Suite / Tests (windows-latest, stable, all, x86_64-pc-windows-msvc)	2m 14s
CI Test Suite / Tests (windows-latest, stable, none, x86_64-pc-windows-msvc)	2m 4s
Android Build Only (aarch64-linux-android)	1m 12s
CI Test Suite / Tests (macOS-arm-latest, stable, all)	1m 40s
CI Test Suite / Tests (ubuntu-latest, stable, none)	1m 42s
CI Test Suite / Tests (windows-latest, stable, default, x86_64-pc-windows-msvc)	2m 0s
cargo deny	26s
CI Test Suite / Tests (macOS-arm-latest, stable, none)	1m 36s
Minimal Supported Rust Version	1m 9s
clippy_check	2m 5s
CI Test Suite / Tests (ubuntu-latest, stable, all)	1m 40s
CI Test Suite / Tests (macOS-arm-latest, stable, default)	1m 36s
CI Test Suite / Tests (ubuntu-latest, stable, default)	1m 24s
codespell	7s
Checking docs	1m 10s
	27m 57s

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