Marking as 'opinion' as making dash nav customisable is something we may want to do in the future but is not in scope for this cycle (note however that bug https://bugs.launchpad.net/ayatana-design/+bug/878318 is in scope for P). The 'no results' error messages are being discussed in bug https://bugs.launchpad.net/ayatana-design/+bug/711199
Marking as 'opinion' as making dash nav customisable is something we may want to do in the future but is not in scope for this cycle (note however that bug https:/ /bugs.launchpad .net/ayatana- design/ +bug/878318 is in scope for P). The 'no results' error messages are being discussed in bug https:/ /bugs.launchpad .net/ayatana- design/ +bug/711199