Allow user to close left half of splitter.
Summary:
User can close the left split by clicking on the active widgets icon. Clicking on an icon agin will
show the widget. Having the Splitter close allows us to make a smaller minium size atelier for the user.
Open:
Closed:
Smallest Size:
Reviewers: laysrodrigues, patrickelectric, tcanabrava
Reviewed By: laysrodrigues
Subscribers: Atelier: General Development
Tags: Atelier: General Development
Differential Revision: https://phabricator.kde.org/D12265