Set SwipeListItem implicitHeight to be the maximum of content and actions
Summary:
Otherwise if the content is smaller than the actions they will be partially
outside out of the item
Test Plan:
Can be seen for example in virtual desktops kcm and slideshow configuation dialog
Before
After
Reviewers: Kirigami, mart, ngraham
Reviewed By: Kirigami, mart, ngraham
Subscribers: ngraham, mart, plasma-devel
Tags: Kirigami
Differential Revision: https://phabricator.kde.org/D21981