fixes #138 - avoid exception during UI initialization, check if a row is selected#148

PhilippSalvisberg merged 1 commit intomainutPLSQL/utPLSQL-SQLDeveloper:mainfrom

bugfix/issue-138-empty-utplsql-windowutPLSQL/utPLSQL-SQLDeveloper:bugfix/issue-138-empty-utplsql-windowCopy head branch name to clipboard