Brief summary of issue / Description of requested feature:

Package exporter does not give feedback about success or failure.

Steps to reproduce the issue / Reasons for adding feature:

1. Select package exporter from menu
2. Fill out all popup windows until you can finally click Export
3. Nothing else seems to happen

Error output / Expected result of feature

3. There should be another popup to inform the user if exporting did or did not succeed after all. If success, a link to the save folder would be nice so the user has a way to open directly for navigation.

Extra information, such as Mudlet version, operating system and ideas for how to solve / implement:

Compare test results in #1790