Avoid '^triedb layer .+ is disk layer$' error #2588
Merged
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Avoids
triedb layer [0x0e552df5239ed990b07bcc41519355c432e443bea4b3d3822adb9b136107e585] is disk layer
error in InitializeArbosInDatabase when using PathScheme.pathdb returns an error when there are no state trie changes to commit and we try to commit.
Later I will create a PR in https://github.com/ethereum/go-ethereum to return nil instead.