If creating a new key backup version succeeds but backing up to it fails, delete
the version to avoid surprises. In addition, this converts the creation of a new
key backup to async / await style.
Signed-off-by: J. Ryan Stinnett <jryans@gmail.com>
This adds an in-room reminder above the message timeline to set up Secure
Message Recovery so that your keys will be backed up. If you try to ignore it,
an additional dialog is shown to confirm.
Fixesvector-im/riot-web#7783.
Signed-off-by: J. Ryan Stinnett <jryans@gmail.com>