Add FilesystemStoreV2Error for v1 data detection #23021

Job	Run time
tor-connect	7m 22s
ext-test	5m 49s
check_release	3m 1s
benchmark	14m 37s
fuzz	1h 5m 9s
check_docs	7m 32s
linting	2m 30s
fuzz_sanity	11m 22s
rustfmt	13s
build-nostd / build (self-hosted, 1.75.0)	22m 4s
build-workspace / build (self-hosted, 1.75.0)	20m 16s
build-bindings / build (self-hosted, 1.75.0)	26m 1s
build-sync / build (self-hosted, 1.75.0)	19m 43s
build-features / build (self-hosted, 1.75.0)	27m 53s
build-cfg-flags / build (self-hosted, 1.75.0)	13m 19s
coverage	24m 46s
notify-failure	-1s
	4h 31m 36s

Provide feedback