Do not wait on `navigator.storage.persist` Promise
Do not wait on `navigator.storage.persist` Promise

- recently discovered this never resolves or reject on Vivaldi
- that meant the BG setup never finished on Vivaldi as it was waiting forever here
- now it just gets cast into the void, hopefully garbage collected if never resolves

https://www.notion.so/worldbrain/Unable-to-use-backups-and-login-from-Vivaldi-d344dca44afc4ae9a796bda309f59795

WorldBrain/WebMemex,WorldBrain/WebMemex