client: integrate snapsync on experimental basis #9365

Job	Run time
vm-api	5m 47s
vm-state (London)	13m 53s
vm-benchmarks	4m 41s
vm-state (Berlin)	18m 15s
vm-blockchain (--fork=Berlin --dir=GeneralStateTests/stTimeConsuming)	5m 35s
vm-blockchain (--fork=Berlin --excludeDir=stTimeConsuming)	15m 35s
vm-blockchain-extended	0s
vm-blockchain (--fork=London --dir=GeneralStateTests/stTimeConsuming)	5m 33s
vm-state-extended	0s
vm-state (Paris)	11m 57s
vm-blockchain (--fork=London --excludeDir=stTimeConsuming)	17m 50s
vm-state (MuirGlacier)	15m 25s
vm-blockchain (--fork=Istanbul --dir=GeneralStateTests/stTimeConsuming --expected-test-amount=15561)	7m 13s
vm-state (Istanbul)	11m 33s
vm-blockchain (--fork=Istanbul --excludeDir=stTimeConsuming --expected-test-amount=19817)	11m 0s
vm-blockchain (--fork=Paris --dir=GeneralStateTests/stTimeConsuming)	7m 23s
vm-state (Shanghai)	12m 44s
vm-blockchain (--fork=Paris --excludeDir=stTimeConsuming)	14m 46s
vm-state (Cancun)	4m 9s
vm-blockchain (--fork=ArrowGlacierToMergeAtDiffC0000)	3m 23s
vm-blockchain (--fork=Shanghai --dir=GeneralStateTests/stTimeConsuming)	7m 25s
vm-blockchain (--fork=Shanghai --excludeDir=stTimeConsuming)	15m 12s
	3h 29m 19s

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