Fix "Backward sync stuck in a loop" #6749 #881

Job	Run time
Gradle Wrapper Validation	8s
Repository Linting	44s
spotless	1m 47s
compile	5m 34s
unitTests (test -x besu:test -x consensus:test -x crypto:test -x ethereum:eth:test -x ethereum:ap...	11m 7s
unitTests (besu:test consensus:test crypto:test)	6m 46s
unitTests (ethereum:api:testBonsai)	14m 7s
unitTests (ethereum:api:testForest)	13m 50s
unitTests (ethereum:api:testRemainder)	5m 34s
unitTests (ethereum:eth:test)	19m 42s
unitTests (ethereum:core:test)	5m 59s
unittests-passed	1s
	1h 25m 19s

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