Firefox 73, Windows 10. Clean new profile with SR extension only. Open `https://photos.google.com/share/AF1QipNxXncKWTWTMBnMYGwH75Km5LmLJVrQfRUoGicXObb1HtutbDEwQ48hD4oKE9g1pw?key=UGF6VFZrWTRVNTREUGNCNGxLZGhaT2RTcHFWb0hn` Click on a picture to make video full screen. Video does not load and eventually throws error. The video does not work even with rule `*>*`. The video do work only when SR is disabled.