Add option to sort for original date
Summary:
Takes the original date a photo was taken out of the data provided by Baloo & makes it available to the user
FEATURE: 303645
Test Plan:
- Works with a batch of time-tagged photos
- Can be hidden/shown/sorted like any other property
Reviewers: Dolphin, ngraham, elvisangelaccio
Reviewed By: Dolphin, ngraham, elvisangelaccio
Subscribers: elvisangelaccio, ngraham
Differential Revision: https://phabricator.kde.org/D10059