If we have account data in local storage but nothing in the crypto store, it
generally means the browser has evicted IndexedDB out from under us. This adds a
modal to explain the situation and offer to completely clear storage to get
things back to normal.
Fixes https://github.com/vector-im/riot-web/issues/9109
In Firefox private browsing, we may get errors when checking storage
consistency. We don't want that to block general Riot operation, so catch those
errors and log instead.
Fixes https://github.com/vector-im/riot-web/issues/9300
This adds telemetry events about basic storage consistency, so we can start to
get an idea of how often IndexedDB eviction occurs in the field.
Fixes https://github.com/vector-im/riot-web/issues/9272
This adds a storage consistency check just before creating a client on login.
Each data store we use is checked for data and any problems are logged to the
console.
Fixes https://github.com/vector-im/riot-web/issues/9271