On this day: prefer exif data when file date is different

[wuesti]

Is your feature request related to a problem? Please describe.
I have serveral pictures which I made in summer (exif) but exported in winter (file date). On this day shows those pictures in summer and in winter.

Describe the solution you'd like
The exif data should be preferred when it differs from file date.

Describe alternatives you've considered
A configuration option would help other people who prefer file date.