erofs: Fix reading directory entries #511

Job	Run time
build (bls, rawhide)	6m 31s
build (bls, arch)	5m 39s
build (bls, rhel9)	7m 50s
build (bls, arch, xfs, none)	5m 25s
build (unified, fedora)	9m 7s
build (bls, arch, ext4, none)	5m 12s
build (bls, fedora-compat)	9m 11s
build (uki, arch)	6m 45s
build (bls, fedora)	6m 43s
build (uki, fedora)	8m 35s
build (unified-secureboot, fedora)	10m 5s
	1h 21m 3s

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