Disable chrome.storage on Firefox for background (#7587)
Disable chrome.storage on Firefox for background (#7587)

- Whatever we are doing, it's either Firefox that is having a bug or us doing something wrong - Chromium just works with this code. Disabling it for now is the best.
- Resolves #7582
darkreader/darkreader,darkreader/darkreader,alexanderby/darkreader,darkreader/darkreader,alexanderby/darkreader,alexanderby/darkreader