[POTD] Actually update the image every day
Summary:
This patch adjusts the dirty condition so that the image is actually updated once a day, not once every two days.
BUG: 397914
FIXED-IN: 5.12.7
Test Plan: Applied patch, set a POTD wallpaper, waited one day, noticed that the image had changed.
Reviewers: Plasma, kossebau, davidedmundson
Reviewed By: Plasma, davidedmundson
Subscribers: plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D15124