SP-1365 - Backport of BISERVER-11828 - Editing a MSSQL JDBC connection inside PUC's Datasource Wizard automatically adds "instance" parameter in the "Options" panel (5.1)

What was done:
1) minor fix of merge issue
Merge pull request #443 from kolinus/SP-1365-2

SP-1365 - Backport of BISERVER-11828 - Editing a MSSQL JDBC connection i...