monorepo: PrefixedHexString related type fixes #10650

Job	Run time
vm-api	3m 21s
vm-state (Berlin)	8m 7s
vm-state (London)	9m 11s
vm-state (Paris)	9m 5s
vm-state (Shanghai)	9m 7s
vm-state (Cancun)	9m 29s
vm-benchmarks	2m 20s
vm-blockchain (--fork=Berlin --verify-test-amount-alltests)	9m 56s
vm-blockchain (--fork=London --verify-test-amount-alltests)	10m 54s
vm-blockchain (--fork=Paris --verify-test-amount-alltests)	10m 35s
vm-state-extended	0s
vm-blockchain (--fork=Shanghai --verify-test-amount-alltests)	10m 37s
vm-blockchain (--fork=Cancun --verify-test-amount-alltests)	11m 27s
vm-blockchain-extended	0s
	1h 44m 9s

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