fix up weird signature of ReactiveEntityPersister.insertReactive() #4306

Job	Run time
Test with MariaDB	3m 43s
Run examples in 'session-example' on MySQL	2m 2s
Test with MySQL	4m 28s
Test with Java 17	3m 27s
Run examples in 'session-example' on PostgreSQL	1m 59s
Test with PostgreSQL	3m 31s
Test with Java 20	3m 22s
Run examples in 'native-sql-example' on PostgreSQL	1m 51s
Test with MSSQLServer	3m 57s
Test with Java 21	3m 20s
Test with CockroachDB	6m 39s
Test with Java 23	3m 41s
Test with Db2	5m 27s
Test with Java 24-ea	3m 37s
Test with Oracle	5m 5s
Test with Java 25-ea	3m 51s
	1h 0m 0s

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