Patch from David Fries
The existing comment was
// Try to keep the dialog small and non-obtrusive.
but it prevented the user form making it even smaller.
Make the minimum size smaller than the initial size, and enable
options to take less space for it be even smaller.
Reviewers: mlaurent, dvratil
Reviewed By: dvratil
Subscribers: dvratil, kde-pim
Tags: KDE PIM
Differential Revision: https://phabricator.kde.org//D16244