Show Observations Which Share the Same Media

Feature Requests
5

Waiting since 2019
https://forum.inaturalist.org/t/duplicate-prevention-notify-observers-if-their-image-checksums-match-others-on-the-site/258

Also 2019
https://forum.inaturalist.org/t/notify-user-when-new-observation-matches-time-stamp-of-pre-existing-observation/253/13