Activate cemented blocks #2308

Job	Run time
Linux [UBSAN] [lmdb \| clang]	41m 33s
Linux [ASAN] [lmdb \| clang]	40m 34s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	43m 35s
macOS [UBSAN] [lmdb \| clang]	52m 8s
Linux [TSAN] [lmdb \| clang]	41m 24s
macOS [ASAN] [lmdb \| clang]	45m 2s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	39m 5s
macOS [TSAN] [lmdb \| clang]	26m 2s
Linux [UBSAN] [rocksdb \| clang]	59m 17s
macOS [UBSAN] [rocksdb \| clang]	50m 0s
Linux [ASAN] [rocksdb \| clang]	58m 12s
macOS [ASAN] [rocksdb \| clang]	49m 12s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	1h 2m 29s
macOS [TSAN] [rocksdb \| clang]	1h 0m 26s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	58m 56s
	12h 7m 55s

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