[Branch-4.16] Fix ReadOnlyLedgerHandle leak issue when checkAllLedgers #2285

Job	Run time
PR Validation	11m 38s
Backward compatibility tests	20m 18s
Integration Tests	18m 36s
Compatibility Check Java8	19m 40s
Build with macos on JDK 11	3m 22s
Compatibility Check Java11	20m 43s
Compatibility Check Java17	19m 23s
Bookie Tests	19m 7s
Build with windows on JDK 11	9m 53s
Client Tests	32m 42s
OWASP Dependency Check	0s
Replication Tests	23m 12s
Remaining Tests	18m 1s
TLS Tests	13m 6s
StreamStorage Tests	18m 21s
Shell tests	26s
	4h 8m 28s

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