BISERVER-11828 Editing a MSSQL JDBC connection inside PUC's Datasource Wizard automatically adds "instance" parameter in the "Options" panel

code formatting, re-factoring, fixing
Merge pull request #54 from AliaksandrDrebenchuk/BISERVER-11828

BISERVER-11828 Editing a MSSQL JDBC connection inside PUC's Datasource Wizard automatically adds "instance" parameter in the "Options" panel