[applets/digital-clock] Increase size of calendar in pop-up
Summary:
Various people were complaining that the calendar was too squished after D27903. This
patch restores its size to be closer to the old version. As a consequence, the whole
expanded representation is quite large now, but there really is no other way.
Test Plan:
Before:
After:
Reviewers: VDG, broulik, mart, cblack
Reviewed By: VDG, cblack
Subscribers: plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D28104