Migrate away from deprecated interfaces in gemini dropbox parts
Summary: Having trouble getting Gemini Dropbox working here, but should be simple enough and at least quite isolated code.
Reviewers: leinir
Reviewed By: leinir
Subscribers: Calligra-Devel-list
Tags: #calligra:_3.0
Differential Revision: https://phabricator.kde.org/D19944