Add config toggle for memory-mapped txn status file #6507

Job	Run time
copyright-check	27s
formatting-and-quick-compile	1m 25s
integration-tests	15m 6s
slow-tests	19m 43s
build (11)	6m 35s
compile	3m 33s
package-assembly	4m 18s
e2e	3m 23s
build (25)	6m 18s
copyright-check	27s
slow-tests	24m 42s
build (25)	7m 11s
build (11)	7m 17s
compile	3m 33s
formatting-and-quick-compile	1m 25s
integration-tests	15m 6s
e2e	3m 23s
package-assembly	4m 18s
	2h 8m 10s

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