DUI: NoMatchFound Button added.

So, it's done. Even don't know what to write... I removed commented code and changed DataContext.
:innocent:
Reviewers
@Benglin,@vmoyseenko, please take a look.

Tasks on YouTrack:
[MAGN-4806](http://adsk-oss.myjetbrains.com/youtrack/issue/MAGN-4806) DUI: Present "No matches found" label if nothing is found