Fix Bug TDI-29367: Log4j for database components except
tXXXConnection/Close/Commit/Row/Rollback/Input/Output/BulkExec/SCD/CDC/SCDELT/SP,tELTXXX.
https://jira.talendforge.org/browse/TDI-29367
fix a bug on log4jDBConnUtil when uncheck use exsiting conn on
tMysqlOutput component