fixed bug TDI-30384 Unable to extract schema from an AS400 Connection
some change on the TDQ-9624 is making this issue, this commite fixed it.
Merge branch 'maintenance/5.6' of https://github.com/zshen-talend/tcommon-studio-se.git into maintenance/5.6
Merge pull request #82 from zshen-talend/maintenance/5.6

Maintenance/5.6