- don't use avatars for external users. This will prevent impersonation.
- don't request avatars for offline users. This will improve performance on large rosters.
* Migrate away from IDb
IDb has been deprecated some years ago and has been removed from Nextcloud 12 as per our deprecation policy. I've replaced the existing usages so that this app should now work with Nextcloud 12.
Signed-off-by: Lukas Reschke <lukas@statuscode.ch>
* remove obsolete namespace