Fixes TECH-XQES14W9J0: Alias() functions should not throw an exception when no workarea is open.
Fixes TECH-XQES14W9J0: Alias() functions should not throw an exception when no workarea is open.

X-Sharp/XSharpPublic,X-Sharp/XSharpPublic,X-Sharp/XSharpPublic,X-Sharp/XSharpPublic,X-Sharp/XSharpPublic