Sort revisions by timestamp and revision number.

Sorting by revision number alone failed for distributed systems using batched sequences for revision numbers.

Closes #3643
See #3579

spring-data-envers/src/main/java/org/springframework/data/envers/repository/support/EnversRevisionRepositoryImpl.java

@@ -96,6 +96,7 @@ public EnversRevisionRepositoryImpl(JpaEntityInformation<T, ?> entityInformation
 	public Optional<Revision<N, T>> findLastChangeRevision(ID id) {
 
 		List<Object[]> singleResult = createBaseQuery(id) //
+				.addOrder(AuditEntity.revisionProperty("timestamp").desc()) //
 				.addOrder(AuditEntity.revisionNumber().desc()) //
 				.setMaxResults(1) //
 				.getResultList();